Create your own mini wall climbing corners with these cubes. Traverse the wall up or sideways and problem solve how to go round corners. They will make a great addition to the cube block nest. We advise this product is sited on a level surface which provides some form of protection. Grass is usually okay, gym mats and play bark chips. To meet safety standards, we advise you have 150cm falling space on all sides. 77cm3. Rec. 3+. Supervision recommended.