KidCo PlayDen Free Standing Gate The PlayDen from KidCo features a basic set which includes 24 inch interlocking sections connecting and adjusting to form almost any type of layout. Optional sections SKU G80-8 and G80-24 are available for larger and irregular areas. Extensions must be used two at a time due to the structural design of the interlocking hardware. The KidCo PlayDen Free Standing Gate creates a versatile enclosed play area for your little one and friends. Each PlayDen has a walk through door section that opens in either direction with a simple one hand adult release. It is constructed of durable steel and features a 29.5 inch vertical design to discourage climbing. The non-toxic finish helps make it easy to clean and safe for children and pets alike. The PlayDen is terrific for puppies.