Ugears 4Kids Coloring Model "Helicopter Kit" I DIY Self-Assembly Coloring Kit for Kids Differentiate This combination allows you to

This combination allows you to see an interesting mechanical feature: when the reciprocating motion of the click-button using the Geneva Drive mechanism turns into the rotary motion of the cylinder gears with numbers

The wide back wheel ensures that the model is steady and won’t tip over and turning handlebars send your bike in whatever direction you choose making your ride even more exciting

rotating wheels and rotating doors mechanism

Learn how the PENDULUM works

Ugears 4Kids Coloring Model "Helicopter Kit" I DIY Self-Assembly Coloring Kit for Kids Differentiate This combination allows you toFor children from 5 years old as well as grown ups of any age. The memories of childhood come from a craze of dreams, emerging from the imagination of everybody, bears, cars, planes, ships, flowers, motorcycles .. Now you have the opportunity to give them color together with the little ones, transforming them into moments that become memories unforgettable. Express your creativity and, together with your family, take part in activities that can be a