Original Slinky Brand Ginormous Rainbow Slinky is the largest spring toy to ever call itself a Slinky. With a whopping 5in. diameter, this gigantic plastic Slinky is molded in all of the primary colors, so when it moves, the colors blend together in perfect harmony. Made of weatherproof plastic, big enough to wear on your arm and still flexible enough to walk down stairs, you'll want to take this Slinky with you everywhere you go! Includes a rainbow colored extra-large plastic slinky. Recommended for children 5 years of age and older.