Description:Exercise hands-on ability and thinking ability. Simple operation and give children a sense of accomplishment. Enhance children scientific knowledge and stimulate curiosity and interest.High-quality materials, durable and environmentally friendly, no peculiar smell.This toy can make children interested in physics.This product is made of high quality wood material.The length of the product is 13 cm, the width is 8.5 cm and the height is 9 cm.This product is suitable for decoration.Item Name: DIY ToyMaterial:WoodSize:13cmx8.5cmx9cm/5.12inx3.35inx3.54inNotes: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 X DIY Kit