3+. 2 piece combo pack. Lights up! Try me. Contents: 2 Light-up dive toys. LED lights activate in water. Refreshing pool-time fun. Batteries included (non-replaceable). Pool time just go brighter! Toss your jellyfish friends into the pool and watch them come to life! The LED lights automatically turn on once these pool toys are submerged in water. The bright lights make them easy to spot as they work their way through the pool. Each jellyfish contains 3 x AG3 (1.5V) batteries. www.banzaifun.com. For more fun in the sun: Check out our other great Banzai products! Pool-time drive rings; Magical mermaids. Made in China.