The main differences, were that instead of just black background, I offered turquoise, purple, pink and black. Also, I had foam heart tracers students could use if they could not free-hand the heart. I also printed out several extra cartoonish images of animals holding hearts so we could reference those. Several surprised me with their way of figuring out how to make a 3-D box for their pet to peek out of. I also told them they could make it for a family member if they weren't sure what they would want as a pet.