Toys & Joys plans are beautifully detailed and have been designed to be used as desk objects and shelf models. Plans include a material list, detailed drawings, complete assembly instructions and a photo. Wheels, axle pins and some miscellaneous turnings are available for this plan from Stockade. The Flat Bed Trailer uses 8 - WT275 - Tread Wheels, 4 - #AP600 - Axle Pins, 2 - #AP375 - Axle Pins and 1 - #TP175 - Axle Pin. Please note, these items are not included with the plan and must be ordered separately.