This first one encouraged kids to ride their bikes to school. I played with that iconic "school zone" street sign showing kids walking to school by adding a bike rider to the mix.
This one explained the importance of turning off the lights when you leave a room. I worked on some of these while I was on an Amtrak train to Philadelphia with my laptop and a 4"x6" Wacom tablet. The setup worked out surprisingly well.
retro 60s flower shape so it could be used by either girls or boys.