Product highlights and benefits Accurate, easy-to-read measurements: 25 cm vertical ruler with clear centimetre markings for reliable tracking of jump height. Ideal for monitoring progress and comparing results over time. Adjustable installation height: mounting height can be changed to suit different ages and skill levels, so one device works for growing children and varied training goals. Fast, repeatable testing: built-in reset lever quickly returns the marker after each jump so you can run multiple testers back-to-back without downtime. Durable, child-safe construction: made from sturdy ABS to withstand regular use in home, classroom, or recreational settings. Functionality and compatibility Measurement: 25 cm length with individual centimetre markers for precise readings. Mounting options: supplied with a strong wall-mounted suction cup and powerful double-sided foam adhesive. Designed to attach securely to glass, tiles, boards, or walls. Age suitability: playful duck-shaped design recommended for children over three years old, making testing approachable and fun for young users. Why customers need this product Makes vertical jump testing simple and repeatable at home, in school or on a playground without bulky equipment. Eliminates guesswork with centimetre-level markings and a reset mechanism for consistent results. Adjustable mounting height and robust attachment options mean you can install it where it’s most convenient and adapt it as children grow or skill levels change. Key attributes at a glance Size: 25 cm measurement scale with 1 cm increments Material: durable ABS plastic Mounting: suction cup + double-sided foam adhesive Design: child-friendly duck shape Reset: manual reset lever for quick reuse Age: suitable for children older than three years Practical use scenarios Home practice: attach to a bedroom or garage wall for regular jump practice and to track progress over weeks or months. Kindergarten or primary school PE: use in group activities or fitness stations to introduce children to basic testing and motivate improvement. After-school sports or training sessions: portable and simple to install in gyms or on tiled/boarded walls for quick assessments during training. What makes it stand out Combines a simple, accurate measurement scale with a quick-reset design and multiple mounting options, all in a kid-friendly form factor built for regular use.