I created this mat for students as they walk into my room. The purpose was to create a little movement for them before they come talk to me.
I cut out foot prints from construction paper and then taped them onto the back of the desk pad with clear packaging tape. Using colored tape, I then taped the outside border to the floor to avoid the desk pad from moving.
plastic desk mat/pad (Home Depot)
construction paper for feet
clear packaging tape
colored tape (Learning Shop)
PS: you are not getting the floor mat itself. This is just an idea to run with:)