KidzLabs /Spy Science/Light Up Monocular

Build your own monocular with this KidzLbs - Light-Up Monocular kit. It features an attachable LED light for use at night. 1 AG13 and 3 x LR44 batteries included and replaceable. Each piece is in a color box. 6.6 x 8.5 x 2.3 inches.