DescriptionThis is a periscope model, made of plastic material and fine craftsmanship, and can be used for a long time. This kids assemblyperiscopeis safe and convenient for kids DIY assemble. It can be used not only as children's toy but also as prop for optical experiments.Features-Color:Black -Material:Plastic -Size:18.30X6.00X3.20cm/7.19X2.36X1.26in - Can be a perfect teaching tools, great to explain the experiment optical reflection. And it is also a wonderful toy.- Used for physical optics experiment equipment, or be DIY kit toys for backyard games or optical education.- Simple to operate, 360 rotatable lens, quickly disassembled and easily cleaned.- This Kids Periscopecan be detachable and spliced, and it will not take up too much space when stored.- Thisperiscopeis an excellent toy to buy for children, which can improve their knowledge of science.