- Making a rainbow. Once the colours are learnt then may follow the introduction of the concept of smallest to largest or largest down to smallest. Pick and place the smallest piece of the rainbow. Which piece comes next? Or pick and place the largest piece of the rainbow etc.
- This seriation can also be repeated with the fish
- The pieces can also be used separately away for the puzzle base for building and balancing towers of rainbows or fish or fish on top of rainbows.