Geospace JR. Replacement Rockets 4-Pack for Jump Rocket & Pump Rocket JR.

3...2...1...Blast Off! This set of 4 extra rockets is equipped with our patented Thrust BoosterTM that dramatically increases flight distance and velocity. Extra rockets come in handy as added "ordinance" for rocket "battles," or when one gets stuck in a tree or on a roof! Package includes 4 rockets (assorted colors) packed with a header card. These JUNIOR (JR) SIZE Replacement Rockets are interchangeable with the slightly smaller MINI Replacement Rockets 8-Pack, #12924, and are intended for use with the following list of Geospace PUMP ROCKETTM products: JUMP ROCKET 3-Rocket Set (#12912) JUMP ROCKET DELUXE Set (#12923) Pump Rocket RAPID LAUNCHER (#12907) PUMP ROCKET JR. (#12910) PUMP ROCKET JR. 2-Rocket Set (#12915) Aqua PUMP ROCKET JR. Rocket & Launcher (#12929) Aqua PUMP ROCKET JR. Double Water Set (#12920) Pump Rocket SQUEEZE SHOTZ (#12922) Pump Rocket AQUA AUTO LAUNCHER with 4 Rockets (#12928) Pump Rocket MINI TARGET SET (#12917)