The Big Honkin' Rocket kit is actually THREE rockets in one package. The kit comes with enough material to build 3 complete Big Honkin' Rockets! There is a high likelihood that you will lose one of your Big Honkin' Rockets (oh, behind a blade of grass or something) and it would be nice to have a spare. Or two... Explore the extreme of micro rocketry with the smallest model rocket kit ever to hit the hobby shop shelves! You'll never believe just how high these darned little things can go till you see a Big Honkin' Rocket hit the sky. Specifications: 3.26" long, 0.281" diameter. Micro rocketry to the extreme! Feather weight recover! Three Kits in one! Get 3 Big Honkin' Rockets in one package!