1. Children's vertical high jump measurement device: Children's high jump measurement toys provide an interesting interactive way for children to practice jumping skills. 2. Vertical jump coach measurement and testing tools: Jumping is a great form of exercise that can help children develop coordination, balance, and overall physical fitness. 3. The high jump measurement toy has an adjustable height mechanism, allowing children to set their own goals and gradually increase challenges. This toy not only benefits the body, but also has educational value. When children try to reach higher heights, they can learn to measure, number, and set goals. The design of high jump measurement toys takes safety into consideration. It is made of high-quality non-toxic materials and can be safely used by children. specifications Material: Plastic Dimensions: 17 x 14 x 8 cm Equipped with double-sided tape, suction cup, and height ruler