Material: Kid height growth is made of environmentally friendly material, safe and odorless, free of harmful substances. Your kid can play more at ease, and take care of your baby's healthy growth! Help Kid Height Growth: Babies are addicted to mobile games/TV, resulting in a hunched back. High jump assist allows your baby to perform moderate daily bounces, which can help with height growth and development. Reduce Study Fatigue: Using high jump assistance, the baby's bouncing practice not only helps brain development, reduces study fatigue and dependence on mobile phones, but also helps baby grow taller. Adhesive on Wall: The touch height unit can be used on the wall without taking up space. Use non-marking glue to stabilize and not hurt the wall. It is suitable for all kinds of walls. It is highly customizable, simple and convenient. Sensitive Counting: This product has sensitive touch and counting, comfortable pressing, reinforced structure, more firm. No drilling required for installation, no damage to the wall, suitable for more walls.