Using the colour Sorter Robot configuration: Designate a different column to each student and have them sort the colours using the Colour Sorter Robot. To double the activity, simply rotate the bins to collect the sorted chips. This is the link to the Colour Sorter Robot: https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/building-instructions/ev3-model-core-set-color-sorter-c778563f88c986841453574495cb5ff1.pdf