Quercetti Kaleido Gears With the Quercetti Kaleido Gears, children learn the basic principles of chain reactions. Start by building a basic platform with the building plates. Then try to place all the gears in such a way that everything is connected. To finish it off, decorate your creation with fun stickers. Are you completely finished building? Then turn one of the gears and see your creation come to life. Specifications: Packaging dimensions: 34 x 29 x 8 cm Material: plastic Suitable for children from 3 years. Contents: 6 large gears 4 medium gears 6 small gears 6 Stickers 1 Lever 22 White axles 16 building plates