Quantity   Component name
2 × Module housing Currently being 3D printed in ABS.
2 × M1.6x4mm Socket Head Screw Got these from Element 14, though the length isn't critical. The original silver ones I think came from an old photocopier...
2 × Molex SlimStack connecter, male+female Element 14: http://au.mouser.com/ProductDetail/Molex/503552-1020
1 × Jumper Board Not quite finished yet, possibly FPC?