More to explore:
Liquid Sidewalk Chalk: 25 DIY Summer Activities For Kids
punch out party board for treats (behind tissue paper inside plastic cups) - such a different idea
How to Make Sidewalk Chalk Paint
inject food coloring in lemons! Cute for summer time decorations!
Sidewalk Squirty chalk
Sidewalk Chalk Paint!
homemade play dough!
DIY sidewalk chalk for kids outdoor play
sidewalk chalk paint. uses a 1:1 ratio of cornstarch & water & food coloring to color ;D