EXTEND THE FUN WITH PLAYCUBES® EXTENSIONS PlayCubes Extensions are exciting elements that add challenge and varied climbing paths to any PlayCubes structure. With new climbers, a sliding pole, and more, PlayCubes Extentions will bring even more fun and individuality to your next PlayCubes design! View more at Playworld.com/PlayCubes Playworld Systems, Inc. is a PlayPower, Inc. company. © 2021 PlayPower, Inc. All rights reserved.