Square Friction Cube With Hook, 4 Surfaces, 2 Inch, Provides Four Surfaces For Exploration Into The Force Of Friction. Each Side Of The 2in Cube Provides A Surface (Wood, Paper, Vinyl, Sandpaper) With A Different Coefficient Of Friction
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 use, Size: 100mm focal length, 2in diameter and 16.5mm thick
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.
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