Where's Santa?

'Tis the week before Christmas and all is not well The Season's in danger for reasons I'll tell . . . Young Elvy the elf, a mischievous lad, Did something quite cheeky, not knowing it's bad . . . Elvy couldn't wait for Christmas Eve so he hijacked Santa's sleigh to deliver the presents. Now Santa's gone after Elvy and no-one can find him. Can you help Detective Inspector Scrooge track down Santa in time to save Christmas?