A quick google search yields tons of great free teaching resources. The actual Spot the Difference posters are harder to find, though.
Print them on glossy letter size paper on a color printer. Easy and they look great on your cube walls.
Thanks for the tip and the resource, Sarah Vail.
(On occasional Fridays, we highlight one entertainment option related to our clients or some aspect of our work to help you celebrate the weekend and possibly recommend to employers and other community supporters in the following week.)