CopperHead ~K'nex Roller Coaster~

[@cyatophilumfr]

a pretty good coaster !

[@terrimca]

AWSOME

[@2015AsM]

awesome, some the track sections cud have been a little smoother but still awesome

[@Koen-fh7im]

Is there a tutorial of the cobra roll ? Thanks.

[@clkid10]

how did u launch it