Jonti-Craft's exciting Kitchen-LinkT System encourages kitchen play centers to be designed and redesigned limited only by your imagination. This system expands the Classic Birch Kitchen Units as well as the Dishwasher, Large Laundry Center, Kitchen Activity Center, the 2-in-1 Kitchens, Microwave Cooking Center, School Age Kitchen, the Stove with Forward Opening Door, and the Laundry Combo. All Kitchen Links have coordinating back splashes. Use the corner expanders to create a circle or "U" shaped work area. The straight counter simply expands a line of kitchen units. Inside Corner size is 32" wide x 10" deep x 4" high.