a diy weld free and cheap bike trailer wich can be made for Â£10!!
Step 1: Step 1
This is the hard part of makeing the trailer "if you only have a hand saw and you are 13 years of age" but any way moveing on you will need too cut...
7 30inc lenths of 2x1 timber "FOR THE MAIN FRAME"
4 4inc lenths of 2inc flat metal bar "WHEEL BRACES"
and lie them out in place like on the pic below.