Quantity   Component name
1 × M4 x 125mm Threaded Rod https://goo.gl/3jqGLz
1 × 1000 RPM 12v Gear motor 25mm https://www.pololu.com/product/3202
1 × 4mm universal joint https://goo.gl/t3iS9o
26 × Wood Screws 4G 9mm pan head wood screws https://goo.gl/Q2fYTV
20 × Small washers 3.5x8x1mm
1 × m4 cross barrel Nut Like those used in IKEA furniture. https://goo.gl/Mv3z4i
1 × 6x AA Battery Holder https://goo.gl/9EZ8Rc
1 × DPDT Momentary Switch Double Pole Double Switch (DPDT) Switch. With spring return to the centre. http://www.ebay.com/bhp/dpdt-momentary-switch
1 × 3x50mm rod connects the "shin" parts to provide stability https://goo.gl/1BU2Dq