Backyard Hacks : Open a Worm Motel For Pre-K-Grade 4 Supplies: Pile of dirt, pile of sand, pile of worms, large jar Step 1: Pour an inch of sand into the jar, followed by an inch of soil. Step 2: Repeat until the jar is full. Step 3: Add worms. Step 4: Watch the worms do their thing by moving the dirt and sand around. Step 5: Every few days add small fruit and vegetable scraps to the jar. Add water when the dirt gets dry. When motel management is ready for vacation, release the worms into your garden. Source: Generation Wild Colorado