MagiDeal Yellow DIY Periscope Toys Kids Science Experiment Equipment Educational Toys Brand new and in good condition The double-sided adhesive strip is divided into several parts attached to the two oval-shaped contour edges of the lens, and then the other side of the double-sided adhesive tape also tear Paste fixed after plastic protective film on the back tear circular lens aligned with the lens oval office The two ends of the tube are connected to the joint, and then with the other two lenses are the two ends of the tube connection This DIY periscope is great for looking around corners without being seen, peeping from a lower to an upper deck, and just general spying around the house, yard or play structure