DIY Rotatable 3D Wooden Puzzle Music Wheel Making Electronic Science Experiment Production Kit for Children

A great DIY toy kit for kid to understand the basic mechanical structures and power transmission. Made of natural wood - non-toxic smooth without any burrs and durable for long lasting use. Product is brand new very good choice for kids to cultivate the manipulative product is provided with spare parts need assembly. Great scientific experiments lab teaching aids school supplies Cool designed DIY scientific toy gifts for kids. After assembling it it can play music very good gift for your kids. Finished size: 110x65x200mm Material:wood+plastic+metal fittings colour:Wood color Package Contents: 1 x wheel Kit (This is just a DIY kit not a finished product) Only the above package content other are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.