Love this idea - re pinned would also be good for fine motor. Counting Activity Using a Geoboard from An Everyday Story Number and Letter Sequencing
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
Elmer’s First Counting Book by David McKee is a fabulous book to introduce counting to young children and toddlers.
Foil and washi tape art frames for kids draw bible story pix on them