Pinner says "This kept my 2 year busy for an entire hour and my 4 year old busy for 2 hours! Drop vinegar tinted with food coloring onto a pan filled with baking soda. Sheer minutes of colorful fizzy fun!"
By far one of the coolest ideas for old crayons pieces and glue stick containers. Melt down crayon pieces and pour into glue stick containers to harden. Big crayons that can be rolled up as they are used.