- Two modes of power supply, free to use- 11 different levels for children to enjoy- Effective training for children's attention and hand-eye coordination- Free to switch between music and game speed Size: 22.5cm x 31.5cm x 16cmMaterial: ABS + electronic componentsPower supply: 3 x AA batteries / USB power cableAge: 3 years old and aboveWeight: 1.24KGPackaging: 36cm x 20.5cm x 27cm - 两种供电模式、自由选择使用- 11种不同关卡、让孩子更爱不释手- 有效训练儿童注意力、锻炼手眼协调- 可自由切换动感音乐和游戏速度 尺寸：22.5cm x 31.5cm x 16cm材质：ABS + 电子元件供电模式：3颗AA电池 / USB供电线适用年龄：3岁以上重量：1.24KG包装：36cm x 20.5cm x 27cm
