Spring PodAdd one or more Mini Spring Pod Platforms to your playground for wobbly, springy freestanding fun! The durable coil spring activates when someone steps on the platform, creating a wobbling motion that helps improve core strength, as well as balance and coordination. Create a path of Mini Spring Pods between play areas or use them as seats or steps. SPECS Use Zone: 19' 4" x 13' 6" Fall Height: 17"