For children in second grade and above. Origami artist Maureen Miller-Calamo will show students how to fold a simple heart that will be inserted into a pop-up puppy card. Additional hearts in varying sizes and patterns will be folded for gifts to give to grandmas, aunts, and other special women in their lives. Cost: $20 museum members; $25 nonmembers. All materials will be provided. Preregistration is required by April 22; call 386-734-4371.