Glow in the Dark Powder (HourGlass!?)
I made this based on a toy I had when I was young.It was basically 2 glass pieces with colored sand and water in it.And here is how to make your own, but glow in the dark. (Or you can use very fine sand and water) Things You Need: - 2 pieces of plexiglass (Whatever size you want, but both same di...By: DannyBz360
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