Quantity   Component name
1 × 3mm (ply) wood sheet sheet of hobby plywood or MDF
1 × raspberry pi b+ / raspberry pi 2
1 × raspberry pi camera
4 × M3 30 mm stand-offs
4 × M3 5 mm stand-offs you have to widen the 2.5mm holes on the pi a bit. finding M2.5 stand-offs is a pain.
12 × M3 screws
1 × wifi USB stick optional but convenient
1 × 5V / 2A cellphone charger
1 × 16 GB SD card
4 × medium sized suction cups found in your local hardware store