Learning Resources Under the Sea Ocean Counters (Set of 72). These modern, colourful counters are a great way to liven up a variety of maths activities. Ideal for developing counting skills, sorting and patterning, these soft rubber counters are wipe clean – perfect for hands-on use. Counters feature six different ocean animals in six different colours (orange, green, yellow, red, purple and blue). Set of 72 ocean themed counters comes in a handy storage tub and includes an activity guide. Animal counters measure 6cm H. Suitable for ages 3+