This #TBT feature originally published on Grandma's Briefs April 14, 2015—when Brayden was two months away from 7 and Camden soon to turn 4. Thank you for reading my rerun!

Super simple, sloppy, summer fun!

WHAT YOU NEED

• Basic rectangular household sponges in various colors (two per sponge bomb)

• Plastic cable ties such as these here, though I found…