Best tutorial I've seen for wainscoting for your playroom. Use 1/4" MDF. Buy 4'x8' sheets and have Lowe's cut them into strips the width you want. No problems with warped boards and much cheaper than wood. @Jenny Freehardt
Faux Wainscoting - Inexpensive & easy peasy!
Colonial Wainscoting Measurements by SnazzyLittleThings.com More
Faux Wainscoting-This is the one we want
#1. Add faux thick baseboard with this simple trick! -- 27 Easy Remodeling Projects That Will Completely Transform Your Home
27 Easy Remodeling Ideas That Will Completely Transform Your Home (On a budget!)
DIY: Faux Wainscoting added to my builder's grade home.
This is faux wainscoting done in a few hours and at a cost of $35! Could add this to the built-in benches in the kitchen...
DIY Faux Wainscoting - Frills & Drills
A step-by-step DIY tutorial on how to EASILY install wainscoting anywhere in your home! If I can do you, I promise you can too!