The Sound Shape® Shape Pack features 5 high-pitched pre-tuned geometric Shapes in assorted colors. Constructed with ACOUSTICON® shells, the Sound Shape® Shape Pack provides a similar high-pitched tuning range. These affordable percussion instruments are ideal for the classroom or daycare center. They come in a variety of geometric Shapes and sounds that are as vibrant as their colors. Sound Shape® products comply with applicable government safety regulations and conform to the safety requirements of ASTM F963 and HR4040 CPSIA. Available in assorted colors. Sizes: 9" Circle/Triangle/Rectangle/Square and Half-Circle.