Make your own Sponge Water Bombs (alternative to water balloons). Cut sponges in strips crosswise, then stack 4 wide, 2 deep and tie very securely in middle with fishing line. Soak, play, have sponge water fight!
Wondering what to do with your empty backyard? Try these 8 DIY outdoor play equipment ideas to turn your backyard into a fun playground for your kids! 7 DIY Outdoor Play Equipment Ideas for Your Backyard via