• Includes 180 multicolored beads to decorate the bicycle spokes. • Reflectors that light up for approximately one hour, shining between 1 and 6 hours at night. • Easy installation and removal, simply place the beads on the spokes. • Perfect as a birthday gift or for Children's Day. • Compatible with most bicycle spokes, including children's and mountain bikes. • Note: Not suitable for children under 3 years old without adult supervision. • The color of the item may vary slightly due to lighting and screen. • Allows for 1-2 mm differences due to manual measurement.