The Toddleroo by North States® 3-in-1 Wood Superyard® Two-Panel Extension allows you to increase the Superyard from a 6-panel to an 8-panel play area. Sold separately from the 3-in-1 Wood Superyard, the additional panels increase the size of the 3-in-1 Wood Superyard (model number 4940) from 10 square feet to 19 square feet! Adds an additional 48″ when used as a barrier. Want to increase the size even larger? Just add another Two-Panel Extension. When setting the 3-in-1 Superyard up as an enclosure an unlimited number of panels may be used. When setting up as a barrier, the maximum number of panels is twelve. Every Toddleroo by North States play yard extension is JPMA and ASTM certified.