Childrens Playhouse - Cheap

Cheapest is make your own, it's pretty easy, kids are very imaginative and it's amazing what you can do with a few cardboad boxes from the supermarket, a couple of broom handles and a sheet.

Even so - most producers cater for a cheap playhouse as they realise money is tight for most people these days, especially for an item that may be grown out of in a couple of years - unless you are planning to have loads more kids :)

More

All that is really required is a straightforward plywood structure and a tin of paint for something absolutely fantastic.

... maybe if they are old enough you can involve your kids in the planning.