sgtmik

Instructables

• 

  Semi-Automatic Relvolver Riffle Out of K'Nex

  35 11K
• 

  Homemade Airsoft Grenade Launcher Powered by Co2

  59 49K
• 

  New K'nex Roller Coaster Propulsion System

  3 16K
• 

  New K'nex Machine Gun Type

  22 23K