[Interested Guide] --- Height Growth Training: the jump touch counter has number counting function, every time your child hits the high, it can get an instant count; The vertical jump touch counter will cultivate children's interest in high jumping, help exercise high jumping, and promote height growth [Scientific Research Shows] --- Scientists' research shows that childrens daily touch and bounce training not only helps brain development, reduces learning fatigue, reduces mobile phone dependence and maintains vision, but also helps children grow taller. [Environmental friendly material] --- Made of environmentally friendly ABS material, lighter and more durable. Touch sensor design, comfortable to press, sensitive to touch, sensitive to counting, sturdy and durable. (2 AAA batteries included) [Upgraded Washable Adhesive] --- Easy to install, the soft glue sticks to the wall easily, does not hurt the wall, can be used repeatedly with water, and is stable and does not shake. As the child grows taller, the position of the height touch device can be adjusted at any time. [A Variety of Training Modes] --- Voice height touch device, voice encouragement, fun technical training, happy bouncing encouragement, intelligent counting, calories, etc, stimulate interest in challenges, exercise, can be used by 2-18 years old.