Four amazing animals play together in this adorable set. The baby monkey has a ringing bell and fits inside of the lion. Learning to tie a knot will keep it secure. The lion then fits inside the lovely hippopotamus by fastening the button on its stomach. Then all three lovely little toys will fit together inside the large green elephant by fastening with a zip. Why Children Love this Toy: Sounds: Children will delight in ringing the bell on the baby monkey. Discovery: Connecting the animals to each other will keep children entertained for hours. Color: The variation of color makes them highly engaging for inquisitive children. Material: A high quality, safe design means babies can use different parts of the toy as teethers. Touch: The different textures and crinkles are extremely satisfying for children to play with. Educational Benefits 3D design helps toddlers to discriminate different patterns by tactile play. Helps to connect motor skills with auditory learning by ringing the bell. The smaller toys can be fastened or removed by knots, buttons and zippers which develops hand eye coordination. Visual learning is provoked through color perception. Other features: Soft parts for use as a teether toy. Non-toxic (Formaldehyde Free, BPA Free)