https://www.slotbok.co.za/blogs/guides/grade-7-technology-project-electromagnetic-crane 2026-10-09T21:37:58+02:00 weekly https://cdn.shopify.com/s/files/1/0838/8191/8678/articles/01_electromagnet_crane_aa6238d5-80ec-484b-9ab2-8899232672e5.jpg?v=1790768960 Grade 7 technology project: how to build an electromagnetic crane, step by step A finished laser-cut MDF electromagnetic crane with a lattice boom, a winch and a hanging electromagnet https://www.slotbok.co.za/blogs/guides/grade-7-technology-project-cell-phone-tower 2026-10-09T21:38:26+02:00 weekly https://cdn.shopify.com/s/files/1/0838/8191/8678/articles/f_0855_99d89fa1-9a61-448c-8e60-386304dc79d7.png?v=1790768892 Grade 7 technology project: how to build a cell phone tower model A finished laser-cut wooden cell phone tower model with dishes, panels and antenna masts https://www.slotbok.co.za/blogs/guides/grade-8-technology-project-mine-headgear 2026-10-09T21:34:49+02:00 weekly https://cdn.shopify.com/s/files/1/0838/8191/8678/articles/maxresdefault.jpg?v=1791574489 Grade 8 technology project: how to build a mine shaft headgear, step by step A laser-cut MDF mine shaft headgear model with its sheave wheel, lattice back-stay and winding drum https://www.slotbok.co.za/blogs/guides/grade-9-technology-project-hydraulic-arm 2026-10-09T21:35:55+02:00 weekly https://cdn.shopify.com/s/files/1/0838/8191/8678/articles/maxresdefault_3cfa7265-ccb0-4a9a-a15d-2ac8a967a280.jpg?v=1791574555 Grade 9 technology project: hydraulics, and how to build a working hydraulic arm A laser-cut MDF hydraulic arm model with its boom, stick and bucket, driven by water-filled syringes