BLUBOON Badminton Set LED Shuttlecock Feather Super Bouncy Light Badminton Birdies Material: goose feather, feather, SMD lamps, electronic products This LED badminton set is perfect for playing in the dark or at night as well as in the daytime just makes badminton even more fun for kids or adults The light shuttlecocks are very bright and durable, alternating colors and the batteries could last 20 hours The led badminton shuttlecock is not flimsy, plastic cork base very soft and super bouncy Lights turn on by a switch on the inside of birdies, so you can't easily shut it off during playing Birdies are flying every way in their bright colorful blinking glory. The kids and adults can playing midnight badminton so does everyone have fun