18 months & up. Spark curiosity with each sound! Pairs of hardwood triangular prisms have identical sounds and matching musical notes. Place blocks upside down, hiding the musical notes, and have children shake and listen to match the sounds. No batteries required. Each prism measures 2"L x 2.5"W x 2"H.
This item is temporarily out of stock, but we'll send you an email once it's available.