Features: 1HOW IT WORKS: When the child wants to jump higher, the child gives his brain a higher command, and when he wants to reach the height, he also wants to grow taller. Every time he wants to jump higher, it is the child's desire to jump higher, and this extreme desire makes the child continue to grow 2ACCURATE AND SOFT: Made of excellent soft fabric with accurate height dimension and cartoon design 3WIDE APPLICATION: Can be used as a child height ruler to accompany the child growth. can also be used as a game mat, enhance parent child interaction, and enhance emotions 4FUN GAME: Can be used as a jump and touch high toy. Children hold a mini doll and try to jump and stick the doll at the highest point to get corresponding points. One or several people can participate in the high jump competition to help children jump and grow taller 5SAFE MATERIAL: The material is safe and healthy, non toxic and harmless, you can use with confidence Package included: 1 x Child Growth Chart Ruler 1 x Sticker 6 x Ball(random color delivery) 2 x Hook 4 x Patch