Transparent silicone numbers which are strong, soft and pliable and can be used in everyday situations in the classroom. They can be used in a sand pit, on the floor, on a light panel or even in water. They are useful for demonstration purposes, for display or for children to use themselves. There are 2 number sets in different colours so they can be easily sorted when in use together. The sets are easily cleaned after use in soapy water or in a dishwasher. Available is either trace numbers in a pack of 10 which are best for learning formation or dot numbers in a pack of 10 which are best to encourage counting.