This Sound Prism Set contains 6 pairs of hardwood triangular prisms, colour-coded musical notes. Each pair of prisms makes a different sound when shaken. Encourages observation and listening skills. The notes can be placed face down for an extra challenge.
- Prism size: 6cm x 5cm.
- Age: Suitable from 18 months.
- Understanding the World - sound.
- Personal Development - sensory.