Centesimal Circle & Protractor 9-12-years Box dimensions: 57

Box dimensions: 57

each composed of 100 golden unit beads

This set contains a wooden box with drawer and a plastic ball

Features five birds from largest to smallest

A multi-layered wooden whale puzzle in gradient colours

Centesimal Circle & Protractor 9-12-years Box dimensions: 57Introducing the concepts of angles, degrees, and how a whole can be broken down into smaller components, the Centesimal Circle & Protractor set is used to provide a simple visual reference. This set can be used together with the Metal Fraction Insets (sold separately) to demonstrate how a fraction corresponds with an angle measurement, or as a part of 100. Features Boards are black with easy to see white markings. Wooden board size: 14 cm x 14 cm.