[Quality and Safety] Made of high-quality materials, it is safer and more environmentally friendly. It is harmless to children, with smooth edges and no damage to the skin. It is recommended to be over 3 years old. [Cultivating Ability] Magic prank toys help to develop their memory, hands-on skills, strategic thinking, visual space skills, social skills, recognition skills, let children develop their creativity, and practice their imagination, can improve Their hand-eye coordination, imagination and patience develop children's brains and improve their scientific, technical, engineering and mathematical skills in the most creative ages. [Interactive fun] Suitable for children from 4 to 12 years old, parents can enjoy fun time with their children. Whether at home, home school, kindergarten, elementary school, parent or teacher can be easily taught. [Perfect Gift] This is the perfect gift for children, birthday gift, Christmas gift, Thanksgiving gift, New Year gift, gift to your son, daughter, grandson, friend's child or elementary school, let them love you more. [Principle] Liquid inside condensed from the evaporation cooling of the water from the bird's beak, make it head load and put it back into the water. The condensate is returned to the liquid pool in the birds pear, and it tips again on. Size: 17.5 * 4.8 * 4.8cm