DIY Recycled Cardboard Interlocking Duct Tape Castle Tutorial and Template. Really like how they did the other sides of the walls of the castle (go to link for more photos). Tutorial and template from mer mag here.
Kids would love to decorate their own rings and put their names on them. When their ring lands around the roll there could be a special activity or prize. Great idea - thanks for sharing it! DIY Paper Plate Ring Toss Game - great for kids!