Fat Brain Toys OombeeCube Shape-sorting cube with 6 rubbery shapes tethered to its corners; an innovative approach to shape-sorting fun; never lose a single shape! Little hands delight in sliding each shape smoothly and snugly into each of their respective slots; shapes are rubbery, textured, squishy  fun for little fingers to feel, also great for teething Ideal for ages 10-months+; shapes are made of 100% food-grade, BPA-free silicone; strings are short enough to be exceptionally safe, long enough for children to explore freely; high-quality design and materials for lasting durability and safety Strengthens fine motor skills, shape recognition, visual-spatial skills; enhances sensory learning; inspires tactile exploration, experimentation; shapes include triangle, square, oval, circle, pentagon, double circle Winner of Parents' Choice Award Silver Honor; measures 4.25 inches cubed Fine Motor Skills Sensory Learning Tactile Exploration (Touch) Visual-Spatial Skills (Sight) Highchair, Stroller, and Travel Friendly Gender Neutral Strings Attach Pieces - Nothing Gets Lost Frustration-Free Packaging