POOF-SLINKY-Boom Badminton. Listen to the thunderous fun! It's Fun! It's Loud! It's Boom Badminton! These racquets make a sonic boom when you strike the birdie! Package contains 2 birdies and 2 Boom Badminton Racquets. Racquets measure 20 inches long by 7 inches wide.Recommended for ages 6 and up. WARNING: Choking Hazard- Toy contains small parts and small balls. Not for children under 3 years. Imported.