One crafty creature purchased one from Magma in Covent Garden for £15. We believe they are available from other shops too.
The kit comes with everything you need to create a small, unusual monster. There are a number of different shapes but they all come with a pre-sown body shape, stuffing, cut out shapes and a step by step instruction guide.
Donna Wilson, also, makes a load of other really cool things. You can find them all on her website: www.donnawilson.com