Glow Stick Science Experiment / 1 /

In a darkened room, remove one light stick from its package and feel the outside of the light stick to determine its approximate temperature....

Pipe Math / Pipe Cleaner Calculator Addition And Subtraction Tool Frugal Fun For Boys And Girls /

Various uses in mathematics, computing, and typography. Some students love math — others not so much. Math may feel a little abstract when...

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