Got some extra chalk balloons? Put ’em in the freezer and make a batch of frozen marbles. Draw targets on the driveway and play a quick game of marbles, or simply let them melt on the pavement in the hot sun, and watch how their colors mix and blend. The opportunities are endless!
1. Follow steps 1 through 3 from Chalk Bombs, and then place the filled balloons in the freezer until solid.
2. Once frozen, cut the tie off each balloon. Peel off the balloon and discard.
3. It’s likely that some cornstarch has settled to the bottom and your marbles will not be perfectly round. If you’d like them smoother, run them under water until they’re the right shape.
4. There are so many ways to use chalk bombs and frozen marbles. Draw chalk targets and see how close you can land a chalk bomb to the bull’s-eye. Use the frozen marbles to draw or play a giant game of shooters. Have throwing contests or races. Then go inside and make another batch!