Sensational Blackboard Raised Line Drawing BoardIt's almost magic! Pictures in an instant, raised line drawings anyone can create anywhere! You can feel your drawing as you draw, no need to flip your paper over, no need to draw in reverse. Make tactile images quickly and easily. Draw your own raised line pictures or trace copies from textbook or reference materials. * Light weight at just over 7 ounces. * Flexible enough to not break in your backpack but rigid enough to draw on your lap. * Uses