Both charts measure 8.5" x 14" each. Each of the 40 photos measures 1.5" x 1.5"
Specifically designed for autism, to facilitate the daily routine activities. You can keep both charts at home/school, or have one at home and the other at school to help with generalization.
Two charts are useful to keep the schedule at the appropriate locations. For example, at home one chart could be downstairs for the daytime routine, and the other upstairs for the night time routine. At school, charts can be in different rooms for different activities.