Super Fun Springs. Have tons of silly fun at any event. These coil springs are perfect for any occasion and are great for filling gift bags. One rainbow coil spring. 3 long and wide. Rainbow design. Made of plastic. Enjoy silly fun with your very own coil spring. The toy you ve always loved is back and with more style than ever. Pick from our numerous coil spring selection. We have so many different spring sizes and colors you ll be sure to find the coil spring that s perfect for your event.