https://shopify.robertelder.org/ daily https://shopify.robertelder.org/products/add-hematite-ore-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/red.png?v=1760297885 Add Hematite Ore To Block Mining Simulation Game https://shopify.robertelder.org/products/add-malachite-ore-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/green.png?v=1760297867 Add Malachite Ore To Block Mining Simulation Game https://shopify.robertelder.org/products/add-goethite-ore-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/goethite_97d3d572-977c-4c02-9ba1-30bb478345ce.png?v=1760297627 Add Goethite Ore To Block Mining Simulation Game https://shopify.robertelder.org/products/alan-turing-ada-lovelace-kurt-godel-portaits 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/computer-science-history-portraits-thumb_d52c74e3-2a99-45fc-93ed-d3f4a97be511.png?v=1760038076 Alan Turing, Ada Lovelace, Kurt Gödel Portaits https://shopify.robertelder.org/products/add-magnetite-ore-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/black_fa02321e-0d46-426e-9331-a7a165c04f4f.png?v=1760297605 Add Magnetite Ore To Block Mining Simulation Game https://shopify.robertelder.org/products/add-limonite-ore-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/orange_00e8a2f8-69a9-4abc-9dbb-b64d5de18594.png?v=1760565414 Add Limonite Ore To Block Mining Simulation Game https://shopify.robertelder.org/products/add-siderite-ore-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/yellow.png?v=1760898491 Add Siderite Ore To Block Mining Simulation Game https://shopify.robertelder.org/products/add-wustite-ore-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/black_5f224581-c9b3-46a8-9bdf-33250c7bb7fd.png?v=1760898618 Add Wüstite Ore To Block Mining Simulation Game https://shopify.robertelder.org/products/add-calcined-anthracite-ore-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/black-circle.png?v=1766963503 Add Calcined Anthracite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-kaolin-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_0e453b07-1d1e-46dd-ab4c-eed18c32b764.png?v=1766964321 Add Kaolin To Block Mining Simulation Game https://shopify.robertelder.org/products/add-montmorillonite-to-block-mining-simulation-game-copy 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_0e453b07-1d1e-46dd-ab4c-eed18c32b764.png?v=1766964321 Add Montmorillonite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-montmorillonite-to-block-mining-simulation-game-copy-1 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_0e453b07-1d1e-46dd-ab4c-eed18c32b764.png?v=1766964321 Add Smectite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-attapulgite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_0e453b07-1d1e-46dd-ab4c-eed18c32b764.png?v=1766964321 Add Attapulgite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-chalcopyrite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/yellow-square.png?v=1777044711 Add Chalcopyrite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-chalcocite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/black-square.png?v=1777044715 Add Chalcocite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-covellite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/black-square_0c67b870-37a6-477b-8c8a-0920b3310104.png?v=1777044717 Add Covellite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-bornite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/yellow-square_b1b4db16-54a6-49b0-80ea-e07d5c49301a.png?v=1777044720 Add Bornite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-azurite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/blue-square.png?v=1777044723 Add Azurite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-cuprite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/red-square.png?v=1777044726 Add Cuprite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-tenorite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/black-square_6cba8a55-4acf-47c9-8693-dafe14752270.png?v=1777044728 Add Tenorite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-dioptase-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/green-square.png?v=1777044732 Add Dioptase To Block Mining Simulation Game https://shopify.robertelder.org/products/used-4tb-western-digital-red-plus-1442-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/PXL_20260804_232939508.MP.jpg?v=1785886876 4TB Western Digital Red Plus (Used: 1485 Powered On Hours) https://shopify.robertelder.org/products/4tb-western-digital-red-plus-used-2312-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/PXL_20260817_210743110_cfa6ec2c-88d0-4216-8578-6c7705781703.jpg?v=1787002724 4TB Western Digital Red Plus (Used: 2312 Powered On Hours) https://shopify.robertelder.org/products/4tb-western-digital-red-plus-used-1439-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/PXL_20260825_204231494.jpg?v=1787699515 4TB Western Digital Red Plus (Used: 1439 Powered On Hours) https://shopify.robertelder.org/products/4tb-western-digital-red-plus-used-1439-powered-on-hours-copy 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/PXL_20260914_170034400.jpg?v=1789411390 4TB Seagate IronWolf NAS Hard Drive (2709 Powered On Hours) https://shopify.robertelder.org/products/add-sulfur-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/yellow-circle.png?v=1789695504 Add Sulfur To Block Mining Simulation Game https://shopify.robertelder.org/products/add-gold-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/yellow-square_d16f1296-ac0b-4751-88fe-e6d20411099f.png?v=1789695507 Add Gold To Block Mining Simulation Game https://shopify.robertelder.org/products/add-graphite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/black-circle_4db5bcdc-0f8c-496c-a0c4-1034768496bc.png?v=1789695510 Add Graphite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-gypsum-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_1afb5880-f286-45bd-9038-7cd5a02b6079.png?v=1789695514 Add Gypsum To Block Mining Simulation Game https://shopify.robertelder.org/products/add-diamond-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/gem-emoji.png?v=1789695516 Add Diamond To Block Mining Simulation Game https://shopify.robertelder.org/products/add-talc-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_601faf22-feb0-4346-ab72-6224ccc8c163.png?v=1789695520 Add Talc To Block Mining Simulation Game https://shopify.robertelder.org/products/add-fluorite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/purple-circle.png?v=1789695524 Add Fluorite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-halite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_7ff643cb-1780-4fad-951f-9f6a6e5f7f18.png?v=1789695527 Add Halite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-galena-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/black-square_b63cc50f-8fd9-402d-bee9-0a662f62eb70.png?v=1789695531 Add Galena To Block Mining Simulation Game https://shopify.robertelder.org/products/add-periclase-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_14d8a2ba-f574-49ac-8e8d-55ecb4a78332.png?v=1789695535 Add Periclase To Block Mining Simulation Game https://shopify.robertelder.org/products/add-corundum-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_f0483b2a-ba0b-4ba2-a1fc-14e5257f91ec.png?v=1789695538 Add Corundum To Block Mining Simulation Game https://shopify.robertelder.org/products/add-sphalerite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/brown-circle.png?v=1789695542 Add Sphalerite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-barite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_8978f932-e2d6-4b50-85a9-2f35ec6757b6.png?v=1789695545 Add Barite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-dolomite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_263ce126-f1ce-4848-8735-216b46f5f5c2.png?v=1789695549 Add Dolomite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-anhydrite-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-circle_386dc0e8-cee4-4ca7-a5b3-d0350ed206f5.png?v=1789695552 Add Anhydrite To Block Mining Simulation Game https://shopify.robertelder.org/products/add-platinum-to-block-mining-simulation-game 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/white-square.png?v=1789695556 Add Platinum To Block Mining Simulation Game https://shopify.robertelder.org/products/cat-5-patch-cord-5ft-10in-e204149ulcm-75-c-utp-24awg-4pairs-tia-eia-568-b-cat-5 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/0c183e3f-d16e-4c12-946d-ff259d33d32d.jpg?v=1789917926 Cat 5 Patch Cord (5ft 10in) - E204149(UL)CM 75°C UTP 24AWG 4PAIRS TIA/EIA-568-B CAT 5 https://shopify.robertelder.org/products/anti-static-shielding-esd-bag-4-x-6-zip-reclosable-seal-10x15cm 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/317068c2-31b7-4d6d-9f88-5cdc39f77849.jpg?v=1790036692 Anti Static Shielding ESD Bag 4" x 6" Zip Reclosable Seal 10x15CM https://shopify.robertelder.org/products/honglin-e239426-cs-awm-20276-30v-15-pin-male-vga-monitor-cable 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/d58052f3-565f-4e72-98c7-5f49152036dc.jpg?v=1790036716 HONGLIN E239426-CS AWM 20276 30V 15-Pin Male VGA Monitor Cable https://shopify.robertelder.org/products/silicon-monocrystal-1-044-kg-2-3lb 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/c9639a76-5bf0-4030-bea4-a6477c9e1672.png?v=1790309622 Silicon Monocrystal - 1.044 Kg (2.3lb) https://shopify.robertelder.org/products/lithography-process-control-harry-j-levinson-softcover 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/5fb59ba0-e50a-4cbc-afed-791e9e457ba6.jpg?v=1790546170 Lithography Process Control - Harry J. Levinson (Softcover) https://shopify.robertelder.org/products/optics-and-lasers-including-fibers-and-optical-waveguides-matt-young-fourth-revised-edition-hardcover 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/c04ddf5a-bf20-4317-b8f7-1512f9a950b5.jpg?v=1790655789 Optics and Lasers Including Fibers and Optical Waveguides - Matt Young - Fourth Revised Edition (Hardcover) https://shopify.robertelder.org/products/the-riemann-hypothesis-a-resource-for-the-afficionado-and-virtuoso-alike-hardcover 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/7a194450-6710-4a1c-8909-e54cf0a8cda6.jpg?v=1790689131 The Riemann Hypothesis: A Resource for the Afficionado and Virtuoso Alike (Hardcover) https://shopify.robertelder.org/products/500gb-seagate-st3500418as-26641-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/017aa251-42da-4f6e-83bc-2456c34d05e8.jpg?v=1790950884 500GB Seagate, ST3500418AS, (26641 Powered On Hours) https://shopify.robertelder.org/products/500gb-seagate-st3500418as-29632-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/2112468a-0a2d-46f3-9d61-4de185b48df6.jpg?v=1790950921 500GB Seagate, ST3500418AS, (29632 Powered On Hours) https://shopify.robertelder.org/products/750gb-seagate-st3750528as-1-reallocated-sector 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/1d13ed2a-27b9-4b35-b507-04e4eb8705b1.jpg?v=1790950957 750GB Seagate, ST3750528AS, (1 Reallocated Sector) https://shopify.robertelder.org/products/500gb-seagate-st3500320as-21717-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/cde2c835-5570-4634-8585-10ae813bb89c.jpg?v=1790950994 500GB Seagate, ST3500320AS, (21717 Powered On Hours) https://shopify.robertelder.org/products/500gb-hgst-hitachi-hitachi-hds721050cla660-29925-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/4b0a0d41-80bc-4d00-bed8-ec4ade4dd247.jpg?v=1790951031 500GB HGST/Hitachi, Hitachi HDS721050CLA660, (29925 Powered On Hours) https://shopify.robertelder.org/products/500gb-western-digital-wdc-wd5000azlx-60k2ta0-75897-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/f1eaa6af-0f6b-454e-b5d8-e142a2f747e0.jpg?v=1790951068 500GB Western Digital, WDC WD5000AZLX-60K2TA0, (75897 Powered On Hours) https://shopify.robertelder.org/products/500gb-western-digital-wdc-wd5000ys-01mpb0-smart-fail 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/f2c0a833-47d2-4231-be22-ddc52abaad42.jpg?v=1790951103 500GB Western Digital, WDC WD5000YS-01MPB0, (SMART FAIL) https://shopify.robertelder.org/products/500gb-western-digital-wdc-wd5000aacs-00zub0-34452-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/67487dc5-20f4-4ad5-ab71-c83bf7cce3af.jpg?v=1790951140 500GB Western Digital, WDC WD5000AACS-00ZUB0, (34452 Powered On Hours) https://shopify.robertelder.org/products/500gb-western-digital-wdc-wd5003abyx-18wera0-smart_error_count-5 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/f4f16ba3-a368-4cfc-ae0d-8fd0667029b0.jpg?v=1790951179 500GB Western Digital, WDC WD5003ABYX-18WERA0, (smart_error_count=5) https://shopify.robertelder.org/products/500gb-western-digital-wdc-wd5000aakx-001ca0-33219-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/0632a4cb-f9f3-4201-9afe-a933bfe799a5.jpg?v=1790951222 500GB Western Digital, WDC WD5000AAKX-001CA0, (33219 Powered On Hours) https://shopify.robertelder.org/products/1tb-seagate-mb1000gcwcv-78-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/cf1aeacb-538d-4a39-a372-cdff01ab9d1b.jpg?v=1790951261 1TB Seagate, MB1000GCWCV, (78 Powered On Hours) https://shopify.robertelder.org/products/500gb-seagate-st3500413as-29104-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/543e8257-ceee-489f-b0f8-8f93eb98bd6a.jpg?v=1790951298 500GB Seagate, ST3500413AS, (29104 Powered On Hours) https://shopify.robertelder.org/products/500gb-seagate-st500dm002-1bd142-37281-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/2c278248-1569-4b8c-a9a7-053230f4b58b.jpg?v=1790951335 500GB Seagate, ST500DM002-1BD142, (37281 Powered On Hours) https://shopify.robertelder.org/products/4-14gb-unknown-manufacturer-st_m13fqbl-not-working-for-parts-scrap 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/cc6c10c0-d510-4660-b478-4d03658a10e0.jpg?v=1790951373 4.14GB Unknown manufacturer, ST_M13FQBL, (NOT WORKING FOR PARTS/SCRAP) https://shopify.robertelder.org/products/500gb-seagate-st500dm002-1bd142-smart_error_count-1 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/bb9a1b59-4430-4b4c-ab79-e3ae44d1c150.jpg?v=1790951414 500GB Seagate, ST500DM002-1BD142, (smart_error_count=1) https://shopify.robertelder.org/products/500gb-seagate-st500dm002-1sb10a-31047-powered-on-hours 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/beda9e3a-2892-4f7f-ab56-005faae01016.jpg?v=1790951453 500GB Seagate, ST500DM002-1SB10A, (31047 Powered On Hours) https://shopify.robertelder.org/products/500gb-seagate-st500dm002-1sb10a-46189-powered-on-hours 2026-11-07T00:53:24-05:00 daily 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500GB Seagate, ST500DM002-1SB10A, (2889 Powered On Hours) https://shopify.robertelder.org/products/ion-beam-based-nanofabrication-materials-research-society-volume-1020-hardcover 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/e99329e1-519f-40db-8bc9-4eee6ea08ccc.jpg?v=1791343890 Ion-Beam-Based Nanofabrication - Materials Research Society - Volume 1020 (Hardcover) https://shopify.robertelder.org/products/polymers-for-microelectronics-and-nanoelectronics-acs-symposium-series-874 2026-11-07T00:53:24-05:00 daily https://cdn.shopify.com/s/files/1/0966/8945/5392/files/d80fde63-1077-4763-9128-f1385d396abd.jpg?v=1791431098 Polymers for Microelectronics and Nanoelectronics (ACS Symposium Series 874) https://shopify.robertelder.org/products/analysis-and-design-of-digital-integrated-circuits-david-a-hodges-horace-g-jackson-hardcover 2026-11-07T00:53:24-05:00 daily 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Hodges, Horace G. 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