3mm Society Dogfish.

 When assembled the wagon is remarkably stable. I was a little apprehensive about the strength and wether it would stand up to the rigors of handling at an exhibition.
My fears were unfounded and I think the result is rather good.
Comprehensive notes on the instuction sheet aided the positioning of lettering, all from my trusty Woodhead sheets-just couplingsto fit and its ready to use.