You will need:
Any small tub with a lid will do the job (I used a small 500ml bathroom dehumidifier.)
some small net-pots (i got mine from ebay 10 for £1 from China.)
Air pump and stone.
Root riot cubes.

Just cut some holes in the lid of your tub so you can put your net-pots in and a small hole for the air pump line mine already had holes which made it easier just had to make them a little bigger with some wire cutters.

Then cover the sides of your tub if its clear with duct tape to keep light out.