Introduction: How to Make a Knex Trailer and Hitch for a Knex Mini Suspension Truck
You either need a mini suspension truck or something similar
Step 1: Making the Hitch
take the back part off of the truck and ad on to it as shown
Step 2: Swapping Pieces
swap out the two yellow pieces with two orange pieces
Step 3: Building the Trailer
it doesn't matter how this is made
Step 4: Putting It Together
attach the back part and then put the trailer on