Stomp Rocket 20015 Jr. Glow Rocket Refill Pack, 3 Rockets [Packaging May Vary] This Refill Pack contains 3 foam Jr. Glow Stomp Rockets. Launch these rockets up to 100 feet in the air using the Stomp Launcher that comes in The Original Stomp Rocket: Jr. Glow in the Dark 4-Rocket Set (20005). Jr. Glow glow-in-the-dark Stomp Rockets stand out against a dark sky for fun during the day, after dusk and in gloomy weather too! All-foam Junior Glow Stomp Rockets are great for younger kids. Ages 3 and up.