The rainbow comes in nine different colours and four different sizes. However, not every colour comes in every size.
The large 12-piece rainbow comes in classic, pastel, natural, monochrome, forest green and meadow green.
The medium-sized rainbow consists of 10 pieces and was previously only available in the world of numbers variant and now brand new in the variants neon pink and neon green.
The 6-piece rainbow is available in the colours classic, pastel and nature.
The small 6-piece rainbow is available in the colours classic, pastel, nature and monochrome.