There was a rustle, an inquiring squeak and then the front of the doll house was opened. The young father, about to pop a surprise doll inside for his daughter, never stood a chance. 100 mice swarmed out, chewed him down to the bone and made off down the stairs, the first one holding his car keys in firm jaws. They piled up, balancing mouse after mouse, until they could swarm inside the overcoat and baseball cap hanging on the back of the garage door. It took them a few treacherous moments to get the co-ordination right but soon they were tottering over to the Jeep; a slightly drunken figure who perhaps ought not to be driving. Various wriggles and slinks got the remote pressed, the door open and a neat split into three groups. The first group clambered down to the pedals, taking a little time to work out how many were needed on each. The second scampered up to the steering wheel forming a neat circle and using their hamster wheel training to get it moving back and fo...