Treasure Rocks

Maker Challenge entry
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These are special "Treasure Rocks" that I made with my Grandma and cousin. You make a mixture of mostly sand, flour, coffee grounds, and water, then wrap it around a little toy, shape it like a rock, then let it dry. The person who finds the rock or you give the rock to will then smash it open to find the toy inside. I made these for my youngest cousins.