Counting and Measuring with Lego: Preschool Maths Game - Good way to visually compare numbers - I would suggest making the corresponding numbers (like 5 and 15 or 8 and the same color to help see the pattern relationship between the numbers and 15
An interactive activity which involves students choose individual blocks with single letters on to build a word which is spelt out on a singular block. Great for practising phonics with younger pupils.
Number of the day ways to show a number Number practice poster-great to add to a morning routine. Can adjust for older students for large numbers using standard, expanded, and word sentence structures.