Overhead Discovery Tummy Time Folds-up compactly for storage Soft bolster helps prop baby up for tummy time 4 removable, contrast toys encourage reaching and batting Overhead Discovery Tummy Time This colorful activity gym is loaded with great features including a tummy time bolster, peek n' see mirror, brightly colored play mat and four plush play pals. Fold down the gym's arms with a simple twist of the wrist using our exclusive Twist & Fold technology. It's the perfect take-along for big adventures or for turning little spaces into big fun!