"Multi-Functional Baby Toys: 2 in 1 Baby Gym play mat & push walker has 4 different modes to play, tummy & play, lying & play, sit & play, and stand & walk. It is suitable for infants 0-36 months and will accompany infant's growth and meet their needs at different stages. This grow-with-me toy is a perfect gift for newborn babies and their parents. Baby Gym Play Mat: It comes with a soft, comfortable, machine-washable play mat features loops to attach toys. When babies are at their 0-6 months tummy time, it’s a good play gym mat for them to tummy, lying, kick and play the piano, grab and pull the hanging rattles and mirror. When at 6-12 months sitting time, babies can sit around and play the piano activity center. Baby Push Walker: When babies grow up, it can be transformed into a push toys for them to learn how to walk. There are 3 levels to adjust the height of the push walker, which can be personalized according to your baby's height. It is designed with triangular structure to make baby's stride safe. The scientific ergonomic design allows babies to learn how to walk in a correct and safe manner. Tow Modes Piano: The piano is with 4 light up music keys and soft lights. It has 4 modes: musical scale, nursery rhymes, piano playing and hypnotic. Babies will enjoy it when they hit and kick the piano keys and will be rewarded with sweet tunes and soft flashing lights. The multifunctional panel on the back is designed with pulling bead and gears, which are helpful for developing baby's fine motor skills and hand-eye coordination. The piano activity center can be removable as take-along play. 5PCS Detachable Toys: 4 animals-design baby rattles and 1 self-discovery mirror are detachable. The five buckles we provide can be hang in this baby gym toys, or on the crib, stroller or anywhere. You can take the baby rattles separately as for your babies to shake and make sounds. They are very easy to grab."