18 months & up. Wave formations and soft-colored liquids bring soothing motion and wonder to the Grippies magnetic building platform for toddlers. The tactile and sensory building pieces imply fluid figures, dancing and balancing, adding an exciting set of social-emotional possibilities to the STEM-based play. Tactile grips and over-molded plastic make these secure magnetic construction toys soft to touch and easy for little hands to hold. The stimulating blocks and cylinders encourage patterning, balancing, and matching skills with four bright colors and textures.