These versatile manipulatives make visualizing fractions easy. Perfect for small-group activities, the Deluxe Rainbow Fraction Circles Set comes with a dual-use work tray/storage box and includes one whole circle plus eight circles divided into halves, thirds, fourths, fifths, sixths, eighths, tenths and twelfths, plus Teaching Notes. Circles are 9cm in diameter. Set of 51 pieces includes nine complete circles. Colour-coded to correspond to all Rainbow Fraction products.