Why Buy Me? STAGE 1: Infant Support Seat Suitable from 4 months Aids baby when learning to sit up Soft foam insert cradles and supports baby High seat back for extra support 3-point restraint for added safety STAGE 2: Floortime Activity Seat 360 degree rotating tray with loads of activities to keep baby engaged Includes 4 playful toys 3-point restraint for added safety STAGE 3: Booster Seat Small portable design, great for travel Removable soft foam insert for growing child 3-point restraint for added safety 2 sets of chair straps to secure seat to chair