✅ From play gym to ball pit - this play gym gives your little one 5 ways to play! This is a 48" jumbo mat and play gym with walls that can be adjusted up or down to create a closed play environment or tummy time mat. 35 colorful balls extend the life of this gym into the toddler years because with all walls up - it becomes a ball pit! See why else this multi-use play gym is winning over moms and babies.