How does Santa manage to watch over all the children in the world... by elf surveillance of course! He sends his elves to your home and they help Santa decide if you are on the nice or naughty list for Christmas Display this delightful sign in any place that it will be noticed to ensure good behaviour in the run up to Christmas Featuring a mini chalkboard to tick who is currently on the naughty or nice list Simply hang in any room in your home Sign measures approximately 20cm x 35cm x 1cm This house is under elf surveillance. Elf surveillance is important as it makes sure that those who have behaved (and are still behaving) receive a Christmas present from Santa.