These are Air Burst Mighty Missiles Boosters from the William Mark Corporation.
Suitable for Ages 10 & Older w/Adult Supervision.
FEATURES: Designed for use with the Air Burst Mighty Missiles
Vinyl Air Burst membrane boosters. The burst membrane booster
system generates an instantaneous release of energy creating
tremendous launching power!
INCLUDES: (60) Boosters
COMMENTS: For outdoor use only.
See more: WILLIAM MARK CORPORATION