Three incline levels on the climbing triangle let the same frame suit a cautious beginner and a confident three-year-old, and the 31.5" ramp adds sliding and climbing on its own. Folded, the triangle drops to 4.5" thick and slides behind a door. Plywood panels with beech wood rods give a burr-free surface, rounded corners and a 110 lb capacity. Set up it measures 45" x 27" x 24". Recommended for ages 3 and up; net weight 18 lbs. Includes the Pikler triangle set and instructions.