The Yookidoo Gymotion Lay to Sit-Up Play Gymini is a 3-in-1 activity gym that grows with baby through three stages: lay and play, tummy time, and supported sit-up. It includes developmental hanging toys and accessories to encourage reaching, grasping, and motor skills, with two seat-safety positions for the sit-up stage. The gym folds for easy storage and travel. A versatile play space from newborn through the sitting-up months.