Free lessons are available at EZcarving.com showing you just some of the ways to carve EZboard, high density urethane.
Sign makers have been using HDU for a long time. No grain, stands up to all types of weather, won't warp, twist, crack, split.
Softer than basswood, holds great detail, will cut to size, not expensive. Check it out at EZcarving.com and watch a few videos.