He shrugged. "I thought maybe they'd help make him lose." he stopped throwing coins and continued digging. They got all the dirt out of a small hole. "Now recover it up, but wait a moment." he ran away and into the TARDIS. He got a large bucketload of water, and took it to the hole. He poured it all in, then began refilling the hole with dirt. "I think with mud, it'll be slippier." he explaiend efore he could ask.