Add the Pulleys & Cranks stack to your Structures Kits and students can explore how to make things that will haul, lift, slide and move up and down, as part of STEM and STEAM learning. Students can build zip lines that stretch more than 4 feet in length! Includes pulleys, axles, hubs, hook, cranks and string. The budding engineers in your classes will have fun building and cranking contraptions that haul, lift, slide and move up and down. Find activities and resources in the Lesson Plans & Resources section. Get Volume Pricing
|20 18-cm Axle-Splines|
|20 12-cm Axle-Splines|
|70 Lock Washers 4-Way Hubs|
30 Lock Washers 3-Way Hubs
|12 58" Strings|
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