All the fun of chalk, none of the mess!
What you need:
× 1 tsp. washable tempera paint
× 1 cup of hot water
× 1/2 cup of cornstarch
× squirt of dishwashing liquid
× 1 squirt bottle
What to do:
1. Add cornstarch to one cup of hot water whisking to mix so that there are no clumps.
2. Add one teaspoon of washable tempura paint and a quirt of dishwashing liquid. Mix well.
3. Pour it into your squirt bottles and shake well.
4. Have fun!