Flying-pig creates paper animation kits that are downloadable via PDF for a small cost.
"simply fill in your details below and answer the question. At the end of each month we will draw one lucky winner from the hat. That winner will be sent their choice of three of our models."
Not the best competition in the world, but the stuff available is pretty coolhttp://www.flying-pig.co.uk/pages/competition.htm
Link to the competition might help