Product features: multi-mode electronic watch, magnetic induction counting, nano glue for wall sticking, leisure and entertainment, hand-eye coordination, promote height.Studies have shown that children's daily touch and bounce training can help brain development, reduce learning fatigue, reduce mobile phone dependence, and achieve the purpose of growing taller.Made of light aluminum steel, it is light and durable, and it is firm and does not fall off. Adults and children can use, parent-child interaction, healthy exercise.Need to use the 5th battery (the battery should be purchased by yourself, the product does not come with a battery).Product weight: 0.36KG.The product includes a basketball counter + height sticker.