Specifications:Made from eco-friendly wood material, this model is sturdy and durable without cracking.There is no burrs on the round and smooth edges, which won& 39;t scratch the hands easily.It is a perfect choice to cultivate children& 39;s patience, concentration, thinking and operation ability.Teachers can also use this DIY model to teach students about the principles of physics experiments.Item Name: DIY Assembly Airplane ModelMaterial: Wood, Electronic ComponentsPower Supply: 2 x AA Batteries (Not Included)Feature: Interesting, Non-toxic, Fine Craftsmanship, Great GiftAssembled Size: 19cm x 16cm x 10cm/7.48" x 6.30" x 3.94" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 Set of DIY Assembly Airplane Model