56cm long
~50 cm wide
22cm high

Supposedly made from MDF that looks an awful lot like plywood (ply is better so I say it's ply :P) driven by wiper motors on 24V.
Almighty rear hinge flipper powered by dual bike pumps and fizzy drinks bottles at a whopping 50 psi.
1.5mm aluminium lid and flipper.

Also Rex Garrod's Beard.