a hand-eye coordination tool meticulously crafted in . Designed to meet the highest standards, this model is perfect for those seeking to improve their reaction speeds and coordination without the worry of harmful chemicals. Innovative Design: The is engineered to enhance your reaction speed and hand-eye coordination. Its innovative design is tailored for users of all ages, making it an ideal choice for athletes, gamers, and anyone looking to sharpen their reflexes. Safe and Eco-Friendly: With a commitment to safety and the environment, the contains no high-concern chemicals. This makes it a safe choice and your family, allowing for peace of mind during every use. Versatile and User-Friendly: This hand-eye coordination tool is not only effective but also incredibly user-friendly. Whether you're training , in the gym, or at the office, the is your perfect companion for developing essential skills in a fun and engaging way. Type:Four-headed Reaction Stick Colour:As Shown Material:PVC rubber 1 * Reaction Stick Package Contents: 1*Reaction Stick Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.