1. Environmentally friendly material, safe and odorless, free of harmful substances, play more at ease, and of the healthy growth of your baby 2. The baby is addicted to mobile games/TV, resulting in a hunchback. The high jump assist allows your baby to a moderate amount of bouncing day, which is helpful for height growth and development.3. With the help of high jumping, the baby's bouncing practice not only helps development, reduces study fatigue, reduces dependence on mobile phones, also helps the baby grow .4. Touch sensing, sensitive counting, comfortable pressing, reinforced structure, more . Using nano non-marking glue, no need to drill to install, no damage to the wall, suitable for more walls.Power supply: 2 X AAA batteries (not included)Colour:blueMaterial: ABSSize: 9.5 x 9.5 x 5.3cmPackage Contents:1x Height Touch machine1x height sticker3x seamless stickersOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.