Description :
- Build farm vehicles and discover how they work with mechanical systems.
- Discover mechanics, the use of gears and pulleys, and understand how to use levers to lift heavy loads.
- 10 models to assemble with more than 200 components: gears, pulleys, tires and wheels, bolts, etc.
- The illustrated instruction manual will explain to your child how to build the models, and also provides additional scientific information.
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$1.25
