Item Type: Touch High Jump Counter Material: ABS Battery: 2 x AAA batteries (built in) Size: Approx. 9.5 x 3.5 x 9.5cm / 3.74 x 1.38 x 3.74in Package List 1 x Touch High Jump Counter 1 x Height Ruler 1 x Double Sided Adhesive 1VOICE ANNOUNCEMENT: Built in voice announcement, attract attention to improve concentration, and voice counting encouragement, to motivate children to persist in training. 2INTEREST GUIDANCE: Touch high jump counter is a good toy to develop the hand eye coordination of children and make them love sports. 3GROWTH PROMOTION: Appropriate jumping helps to grow taller, bounce training can help children to brain development, reduce learning fatigue, reduce dependence on cell phones. 4EASY TO INSTALL: The soft glue sticks to the wall easily, does not damage the wall, can be used repeatedly, and is stable and does not shake. 5EXCELLENT MATERIAL: Made of environmentally friendly ABS material, lighter and more durable. Touch sensitive design, comfortable to press, sensitive to touch.