Encourage spatial and social emotional play with toddler STEM toy Grippies® Stackers. Assemble communities with interlocking magnetic 2D and 3D builds or nest the expressive cylinders in between textured X-shaped blocks. 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. Each set includes 16 pieces. Age: 18 months+.