Foam core is a staple of art stores, hobby stores, and office supply stores. It comes in different colors, but the universal trait is a sheet of foam sandwiched between a couple of layers of paper.

After the break, you can catch a couple of beginner tutorials which explain the differences between a slapdash foam core model, and one which will draw appreciation.

One student is testing the wings of his foam core model plane. Three others are extracting oil from lavender. Five are constructing a chart of housing prices in San Francisco. It is a typical day at ...