Proportional Rotating Line

Can be used in a variety of ways. Estimating or demonstrating proportions, division, number positions, estimates, fractions, decimals and percentages etc.
The 20 rotating, 4 sided blocks, display a different colour on each side ( blue, red, grey and yellow) enabling clear separation of individual blocks and sections. Fractions from twentieth’s, nineteenth’s eighteenth’s etc. and so on, right down to 1 whole can be shown.