Unkown K'nex Thing By knex obsessed2118Save PDFFavoriteIntroduction: Unkown K'nex ThingBy knex obsessedGaming FreaksFollow More by the author: About: Hey, My name is a Ashley I am 16 and I Love playing Video Games and Building With K'nex :D More About knex obsessed »Can someone pleaz help me cause i don't know what this is.it is to do with knex