This collection includes both of the Fifth Power of Binomial sets. Each set includes thirty-two wooden prisms in various sizes and colours to represent the formula of the binomial (a + b) raised to the fifth power.  They each come in a wooden storage box with a lid and two hinged sides measuring 27 cm x 27 cm.

All Gonzagarredi material is approved by the Association Montessori Internationale (AMI).