Kids' creativity, as measured by the most recent Torrance Tests of Creative Thinking scores, has been sliding since 1990, most noticeably among our younger students. Reduced music and arts education is cited as a key factor.
I like to use the 'demolition grade' blades. They ll cut wood, metal, plaster, wire, or pretty much anything you d care to throw at them. They're made from decent carbon steel that will take and hold an edge rather well. When bought in packs of a dozen, they can be had for about a buck each.
Ceramic knife. A ceramic knife. A ceramic knife is a knife made out of very hard and tough ceramic, often zirconium dioxide (ZrO2; also known as zirconia). These knives are usually produced by dry-pressing zirconia powder and firing them through solid-state sintering.