Budding engineers will learn how worm gears are used, how screws can convert circular to linear motion, and more while they have fun building 5 working models! 5 models in all: screw press, folding lifting platform, 2 cranes, and a vice. Included is the 36-page activity book with detailed explanation of the different technological principles applied. 150 piece in all. For kids age 8 and up.
Warning: Choking hazard, for children 8 and up.
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Engino® Mechanical Science Screws Kit
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