ENHANCE LOGIC AND REASONING Foam shapes are moulded into right angle variations including C T L and zigzag shapes which aids in the development of spatial logic and reasoning skills VISUALLY STIMULATING Bright and Vibrant colors capture your childs imagination stimulating their visual sensory development SENSORY GROWTH Protruding pyramid shaped nubs on all sides of these blocks encourage gross and fine motor skill development ADAPTABLE Texture softness and shape adapts well for use with children with special sensory needs SAFE FUN Made with nontoxic nonrecycled EVA foam these 18 sensory puzzle pieces are safe for nonchewers as young as age 2