Description:We can learn about the structure of the aircraft by building an aircraft model by ourselves, and learn about physics while exercising our hands-on ability.Through this product , critical thinking can be encouraged, so that children are interested in physical science.This product is made of wood.The length of the product is 17 cm, the width is 6 cm and the thickness is 6 cm.This product is suitable for education.Item Name: DIY PlaneMaterial: WoodBatteries: 2 x AA Batteries (Not Included)Size Details: 17cm x 6cm x 6cm/6.69" x 2.36" x 2.36" (Approx.)Notes: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