This DIY periscope kit is ideal for toddlers and young students who love hands-on activities. The kit includes all the necessary components to build a functional periscope, making it an excellent teaching toy. It encourages creativity and scientific thinking, allowing children to explore the principles of optics and reflection in a fun and engaging way. Features -Color:Multi -Material:Paper, glass -Size:21.50X4.00X4.00cm/8.45X1.57X1.57in - learning: this diy periscope kit encourages children to engage in learning, enhancing their manual dexterity and scientific thinking -Parentchild interaction: the diy design allows children to build the periscope themselves, fostering parentchild interaction and boosting children's confidence and sense of achievement -Firm materials: made of firm materials, this paper detachable periscope kit allows safety and reliability, promoting healthy growth for children -Adjustable : the science toy features adjustable and high clarity, enabling children to observe distant objects and expand their horizons -Versatile usage: suitable for outdoor adventures, nature observation, and bird watching, this science experiment for kids inspires a love for scientific exploration in children Package list: 1 x periscope