What a scream! All it takes to make sure celebrations (or any ol' day) include this happy phrase is the spectacular racket this balloon makes when it shoots into the sky. It's loud, it's fun to do (there's some scientific insight to be gained), and it's easy. The kit includes a UV light charger, air pump, four glow streamers, eight balloons, and instructions. For ages 5 and up. WARNING CHOKING HAZARD (2) Not for under 3 yrs.