1) Take the Necrons I bought from newvani
and greenstuff little caps, ticket machines and uniforms for them. Then build a Necron Monorail.
2) Create, for a Tournament, a Niccasar land army. (This would involve lots of cotton wool and some small explosive devices, just for the 'explosive decompression' effect.
3) Re-Do a bunch of classic space marines as actual space wombles, with litter picker sticks, 'W' logos and Uncle Bulgaria as the commander.
In other news, everyone read Ninja Bread