0 3 months let baby enjoy the comforting and reassuring bordered mode while lying on his back and enjoy the peace of mind this mode of use offers 0 6 months use the toys engaging elements to encourage and extend babys tummy time 3 9 months baby can enjoy the dangling animals in the baby gym mode practice her grip and explore the toys textures and sounds features cozy protected baby nest with borders offers both parents and babies comfort and peace of mind fun tummy time mat helps exten