Sliding back and forth at clever angles through the center ball are four bars with vibrant, textured spheres on each end. Each sphere features a uniquely shaped, spinning silicone ring built into the center - Little fingers can't wait to grab, feel, spin, squeeze, pull, and explore! Thrilling for the senses and wonderfully enlightening for young, developing brains, Wimzle will have your little one discovering and learning at every twist and turn.