Ride A Dinosaur Pteranodon Inflatable Ride-On Dress Costume. Perfect Fit Size: Small (4-6 Yrs.3ft3''-3ft11''). Medium(7-10Yrs,3ft11''-4ft7''), this one is for small. Package Includes Instruction Sheet, Inflatable Ride-On Suit, and Inflating tool, portable power box(requires 4 AA batteries, batteries not included in the set) Perfect for Halloween Dress-ups, Halloween Costume Party, Halloween Night Event. Halloween Trick or Treat Events. Add Lots of Fun to Your Halloween Party and Other Theme Activities. Adult Use the Pocket Located Inside the Costume’s Legs to Safely Store the power box. DO NOT put the power box in Your Own Pocket Otherwise, It Gets Overheated. Adjust the Direction of the Fan and Tighten the Drawstrings for the Best Inflating Performance. Used, in great condition. Tested and works