Fill a bucket or tray with water and toss in the reusable water balloons.
Find an area to create a target with chalk.
Invite your child to toss the reusable water balloons on the chalk target.
Let your child take the lead; you may even enjoy some time tossing. I know I did!
Notes
I like to use a muffin tin to transport the water balloons to the target area. This is also a great way to show each child how many they have before switching out.