Straw Wrapper Worms 🐛 age 3+ 🐛 For this simple activity, all you need is a straw with a wrapper and some water. Pull the ends of the wrapper into the middle of the straw and then slide the bunched up wrapper off the straw. Then fill the straw (we used a pipette) with water and slowly drip the water onto the wrapper. Watch the wrapper grow and move like a worm! So cool! 👍🏻