Ravensburger has released a number of puzzles featuring Wallace and Gromit. These range in skill level from easy (60 pieces) to difficult (500 pieces).
60 pc shaped puzzle. Tie-in with The Wrong Trousers
A 60 pc puzzle. Tie-in with The Curse of the Were-Rabbit
A 100pc puzzle with 3-D effects. Includes 3-D glasses. Tie-in with The Curse of the Were-Rabbit
Two 500 pc puzzles. Tie-in with The Curse of the Were-Rabbit