I think this is great for any child, not just kids with DS. An excellent reminder for the toilet wall to help with feeling successful sooner. Toilet Training Children with Down Syndrome. This is an article on the National Down Syndrome Society's website.
These cards are great for your Kindy and Prep child. You can practice sequencing (placing the cards in the right order), auditory memory (remembering how the story goes), and using sentences with these cards.
Visual schedule with pull down flaps + magnets. When item is completed, close the flap, and the word "done" is on the outside. I like this as an idea for a visual schedule during the school day for my kiddos.