Better Builders® Grippies combine tactile and sensory exploration, early engineering, and science and discovery. The soft textured rods and balls, subtle colors, and unique magnetic construction system are unparalleled in the marketplace in terms of providing multiple STEM-oriented principles in an early-learning construction toy system. Unique in their concept, construction and engineering, Better Builders® Grippies provide a fun, safe and exploratory experience for toddlers. 18mos+