Packing quantity: you will get 10 fluorescent sticky balls (random colors). Different colors light up the night and make it convenient for friends and family to play together. Product size: each ball is approximately 2 inches (4.8 cm) in diameter, ideal for easy gripping. For safety, adult supervision is recommended to prevent accidental swallowing. Soft material: made of high-quality thermoplastic rubber, soft and safe, durable, and easy to clean. Surface may collect dust with use, reducing stickiness temporarily; rinsing with water restores original adhesion. How to play: throw the sticky balls at the wall and wait for them to slowly slide down, then catch them as they descend. This activity can help promote relaxation. Note: balls adhere to ceilings for 3–20 seconds and to standard white plaster walls for 5–30 seconds. Product features: sticky balls absorb light and glow in the dark, providing engaging play and entertainment. Designed to support stress relief and encourage interaction among family and friends. Suitable as a gift for birthdays or holidays.