Description:An excellent electronic kit suitable for high school students through a number of experiments can enhance the knowledge learned from physics classes, which is easy enough for junior high school students and children.You can explore in advance of the physical sciences, and the stated manual encourages critical thinking by asking your questions before and after the experiment.This product is made of plastic.The length of the product is 22 cm, the width is 16cm and the thickness is 4.5 cm.This product is suitable for education.Item Name: Physics Experiment SetMaterial:PlasticBatteries: 2x AA Batteries(Included)Size:22cmx16cmx4.5cm/8.66inx6.3inx1.77inNotes: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