Photo Source: Darcel We recently received this adorable bulletin board idea from Darcel and thought we'd pass it along, just in case you're searching for a fun spring/end of the year bulletin board! We like how you can draw a parallel between the transformation of the caterpillar into a butterfly and the transformation that your students undergo throughout the school year - they start the year as kindergartners and end the year ready for the challenges of first grade, etc! Not to mention, a…