a hand-eye coordination tool meticulously crafted in Mainland China. 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 for you 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 at home, 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.