"back in the day" CO2 pipe rocket!
Or better yet, the day we bought the large Styrofoam plane and figured it would be cool to mount two small Estes rockets under the wings and launch it from the street of our suburban neighborhood...
Needless to say, we chased after it as it as the outer wings tore off and the body rocketed every direction but up with the rockets still flaring into landscaped front yards, etc.
Yes, we were a real "hit" on our street block.
Oh, the memories.
Thanks to this thread, I gained a morning coffee grin recalling the mayhem age of innocence days. Thanks for expanding the spud gun days!