About this projectWhats in the package: You will receive 15 light balls in the package, please note that the color will be shipped randomly; the quantity is enough to play, you can also send it to friends, very suitable for beginnersPREMIUM MATERIAL: Made of plastic, this responsive ball can be used many times, easy for beginners to use, stable and easy to hang on the responsive ball for hours of funLED Lighting Effect: This glowing responsive ball features chic LED lighting technology, the responsive ball automatically lights up the LEDs as it spins, making it more eye-catching and fun to play in the darkSize Information: Each Responsive Ball measures about 3*6cm, light weight and portable, this self-returning Responsive Ball helps to exercise your hands and can be played both indoors and outdoorsFUN GIFT: The Glowing Responsive Ball is an ideal toy for most teens and adults, a fun indoor or outdoor toy that anyone will love, a great gift for birthday parties or classroom activities