4 In 1 Activity Gym & Ball Pit Blue | 273 5 bColorful Activity gym and ball pit, Imaginative infant play gym with toys. Years of fun from tummy time to toddler. Easy to take down and set up: The dimension of the gym is 37. 8 x 27. 2 x 21. 3 inches when set up. It doesn TMt take much space and easy to fold up and take away. 3 play positions: This gym used during many of baby TMs stages, great for tummy time, using it in 3 different ways, as baby gets older, you can also put the net up and balls