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.
At least in manual models, the power comes from whoever is twisting the tool, and that twisting happens from the handle. The vast majority of screwdriver handles are made of wood or plastic, though some are made of steel, brass or aluminum. Still others are made from carbon fiber or a similar polymer.