Description:Featuring with the full of unexpected scientific experiments, as for children, the toy can exercise their thinking ability, strengthen practical and innovative skills.The toy is designed with the function of education, which allows it to cultivate the brain development, hands on ability and learning interest for children.The toy is made of plastic and metal materials.The length of toy is 21cm, the width is 4cm, the height is 13cm.It is suitable for teaching and learning.Item Name: ToyMaterial: Plastic,MetalBatteries: 2 x AA Batteries(Not Including)Applicable Age: 6-12 Years OldSize Details: 21cm x 4cm x 13cm/8.27" x 1.57" x 5.12" (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 Set of Toy