These 'Seriation' or 'putting pictures in order' cards are perfect for anyone working on seriation of quantities, colors, letters, numbers, activities, or sizes. They feature realistic photos and colorful pictures and include 10 sets for each category (activities, sizes, quantities) and numbers 1-9 and the letters A-Z. It is aligned with items B25 and B26 on the ABLLS-R These cards can be used to work on putting items in an order by series or sequencing pictures in the correct order. The seriati