Maker Refill Kit, Replenish your Sketch Kit with our custom dry erase markers. Available in six classic colors, these fine tip markers snap into your Sketch Kit accessory for Dash or Cue robots so you can write code that draws pictures, patterns, messages, and more.
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 50mm focal length, 2in diameter and 15.5mm thick
KidWind Chipboard Sheet, stiff, easy to cut, lightweight, low cost, and recyclable material used to make simple wind turbine blades, Length: 12 in, Width: 3 in, Thickness: 1.5 mm