- Shaun the Sheep fans will be thrilled to find this sticker activity book under the tree this year. It"s Christmas time, and snow has covered Mossy Bottom Farm. Time for snowball fights and winter fun! Readers help the Flock to decorate the tree, avoid the mistletoe and spread holiday cheer with a range of activities - a word search, colouring-in pages, a crossword puzzle, coded messages and, of course, stickers galore!