Klutz Lego Gear Bots Science/STEM Activity Kit for 8-12 years

Build 8 physics-driven kinetic creatures using LEGO Technic bricks and papercraft. Includes every LEGO element you need! STEM content about axles, cams, cranks, engineering in everyday machines is included in the 64-page book, alongside the step-by-step instructions. Model number: 9781338603453...