These bike stabilizers are designed to meet the needs of young riders by making support and a sturdy structure. The flashing wheels create an exciting visual effect, encouraging kids to enjoy their cycling journey while gaining the balance and control needed for independent riding. Features -Color:Purple -Material:Aluminum alloy, plastic -Size:11.00X11.00X2.00cm/4.32X4.32X0.79in -Stability for beginners: the training wheel offer enhanced stability, making children can learn to ride without of falling, making it easier for beginners to gain confidence -Flashing : the builtin flashing wheels increase visibility in lowlight conditions, making children's safety during nighttime rides -Quick installation: designed for easy installation, these training wheel can be quickly attached and removed without any tools, allowing parents to make adjustments easy -Comfortable learning: the shockabsorbing support brackets minimize the impact of bumps, making a smoother and more enjoyable learning use for children -Fits bikes: suitable for children's bicycles available, these training wheel are Suit for both urban commuting and outdoor exploration Package list: 1 pair x bicycle auxiliary wheels