Introduction: Knex Stand Up Car
here is a stand up k'nex roller coaster car for every one on www.sscoasters.net
it holds 2 k'nex people per car it can you can make two per car but it dose not fit properly in the back seat of each car.
build this as many times as you have coaster cars.
Step 1: Build It
1.build the seats
2.insert it in to the cart