Description:The products can be designed freely by the child of DIY methods, to exercise the child's logical thinking and promote brain development.The ability of observation and hands-on skills will be greatly improved through the spirit of exploration on this unique product.It is made of wood material.The length of the product is 10cm, the width is 6cm, the height is 9.5cm.It is suitable for kids to early learning the knowledge of science.Item Name: Dynamo ToyMaterial:WoodSize:10cmx6cmx9.5cm/3.94inx2.36inx3.74inNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 Set of Dynamo Toy