Better Builders? Grippies combine tactile and sensory exploration, early engineering, and science and discovery. The textured rods and balls, subtle colours, 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. Better Builders? Grippies provide a fun, safe and exploratory experience for toddlers. 20 pieces. Ages 18+ months.