Building Genius is an educational 9-piece set combining Hix, Mox and Oibo. Each of these three award-winning toys offers a broad range of sensory stimulation and play possibilities from birth and onward. Together, they take play to the next level as a universal building and construction game. Building Genius grows with your child, surprising with new uses and challenges at each stage of the child’s development: grasp & sense, stack & build, imagine & invent! It’s a soft, safe and silent play set!