Ray box, simple, safe and sturdy source of projected light for many classic optics experiments, produces parallel convergent rays across a plane horizontal surface and the rays are intense enough to be traced in natural light. Built in solid aluminum extrusion casing, 100-240V 50/60 Hz
Sketch Pack comes with everything you need to transform your code into robot drawings. Start creating pictures, patterns, and messages on the Wonder Whiteboard Mat with the Sketch Kit accessory for Dash or Cue.
LED Name Badge Kit, Create a fun light up name badge in minutes with this simple science project, Colour: Blue, Parts included: Acrylic Blank Name Badges, LEDs, Batteries, Safety Pins, Stickers, Ever wonder how fancy businesses and hotel create cool looking