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Place milk in shallow dish- add drops of food coloring. Now grab a *magic* toothpick. What? You don’t know where to buy magic toothpicks?? Just dip the end in dish soap & touch the milk with it. Colors instantly shoot out at lightning speed creating a wake of rainbows! Try dipping the toothpick in the color first and then the milk and you’ll make rings. Do not drink the milk ;)
Melt down broken crayons in a film canister or prescription bottle to make new, giant, awesome crayons.