Features: Material:TPR Diameter:5.5CM Color:Random It can put the multi-colored LED insaide the puffer ball to flash, unusual in dark. Suitable for children age above 3year's old(not recommended for children under 3). Motion activate LED light. Led light start blinking when you Catch It Throw It Squeeze It or Hit It, very funny for kids and adult. Automatic shut off in 15-30 sec. Ready for another Throw. Batteries are included with Fluffy Ball. Great for party favors Play with them outdoors at night. Notice: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 1-2CM differs due to manual measurement . includes:1 x Flashing Light Up Spikey Ball