This award-winning BBC TV series uses Makaton sign language and was carefully designed for children with learning difficultiesbut it has also proved incredibly popular with many other pre-school viewers. Justin and his young friends set off on eight exciting new quests including some special Christmas fun, a birthday party as well as a visit to a caf. And, of course, theres always time for everyones favourite....Mr Tumblenot to mention Lord Tumble, Grandad Tumble and Aunt Polly 1. Christmas Special 2. Big Animals 3. Music 4. Cooking 5.