Manufactured with plastic materials this periscope is sturdy and reliable, can serve us for a long time. This periscope is east to assemble and can be detachable easily, which is convenient for you to store and carry. You can buy it for children and can stimulate their imagination. Features -Color:Sky-blue -Material:Plastic -Size:28.00X2.90X2.50cm/11.00X1.14X0.98in - Made of plastic, strong and practical, reliable to use. Great toy for teens to play with. - It is specially designed for child, ensure the safety of kids. Kids can place our periscope anywhere they want - The periscope with splicing and detachable design, cultivate kids hand on ability. - It is funny to build and even more fun to use! It makes an amazing gift and is a fantastic gift for kids. - Suitable for children to experience the fun of optics physical experiment in the process of this. Package list: 2 x periscope model