KidzLabs Spy Science Night Vision Monocular

4M - Build your own light-up monocular with an LED light beam and a colour-filtered lens to mimic night vision tech gear for immersive spy play. Turn on the light, use the knob to adjust focus, then look through the lens to see objects rendered 2X their normal size! You can even slide down the red-coloured lens to simulate night vision! Measures 4.25″L x 4″W. Requires 3 button-cell batteries (included). For ages 5 years and up.