North States 3-in-1 Metal Superyard 2-Panel ExtensionOur North States 3-in-1 Metal Superyard Two-Panel Extension allows you to increase your Superyard from a 6-panel to an 8-panel play area. Sold separately from the 3-in-1 Metal Superyard, the additional panels increase the size of the 3-in-1 Metal Superyard from 10 square feet to 19 square feet! These extension panels can be used inside on a variety of floor surfaces and won"t slip or scratch.