1Squeezable push syringe, simulate real syringe, round surface does not hurt the hand. 2The scissors fit baby's small hands to exercise baby's hand movement. 3Replaceable magnetic thermometer, and four temperature plates can be replaced as you like. 4Stethoscope can listen to the heartbeat, put on the chest can really hear the heart beat. 5Environmental friendly water-based paint, makes the toy safe and non-toxic. 6While playing, enlighten the baby's cognitive ability and awareness and promote the child's growth.