Our colour-coded, hands-on Fraction Tower products help children reinforce connections between equivalent amounts in different shapes. All Rainbow Fraction products use the same colours illustrate each fraction: Red = 1, Pink = ½ Orange = ⅓, Yellow = ¼ , Green = ⅕, Teal = ⅙, Blue = ⅛, Purple = 1/10 and Black = 1/12