DIY Periscope Materials for Children’s Self-made Periscope. Fold the periscope, fold the paper periscope along the edge line of the paper, and attach the adhesive tape to the joint. Tear off the two lens films and fix them on the top and bottom of the periscope respectively.
Read MoreDiscovery Toys Periscope. Adjustable from 12-16in. Fucus knob. 2-way viewing. I clean and test all toys to make sure they work satisfactorily. Batteries are not included.
Read More