painting mdf

We fitted a new staircase last week. The steps are MDF and frame is timber. I started painting the stair at the weekend and used a diluted coat of emulsion as an undercoat. A second coat of the emulsion was added and today I painted the staircase with gloss. After 6 hours, I used a damp cloth to...

I'm about to begin painting a newly built entertainment unit made from Medite (if relevant) MDF. What paints would people use, they'll need to be hard wearing as the kids will also use them for toys. Thanks