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 WS Tractor uses 10 - WT275 - Tread Wheels, 6 - #AP600 - Axle Pins, 1 - #SW125 - Steering Wheel, 4 - #TP175 - Tiny Pegs, 2 - #MM100 - Milk Cans, 15 - #AC200 Axle Caps and 2 - #WH125 - 1 1/4" Contour Wheels. Please note, these items are not included with the plan and must be ordered separately.