The combination of silicone and wood provides sensory stimulation while still being gentle (and safe) on your baby’s growing teeth. Not only that, but the mushroom tops are interchangeable! Great for creative play, stacking, learning shapes and colors, and practicing fine motor skills. With its earthy colors, shapes, and sizes this unique toy is sure to become a favorite in your home. Designed to stimulate and engage your little ones in their own world of play!