Colorful hand painted model approximately 21" x 13" x 8" Durable polymer meant to hold up to classroom use Demonstrates how rock layers react under stress, breaking and sliding past one another Shows normal, reverse, and strike-slip faults Differentiate hanging wall from the footwall This colored model is made to last of a durable polymer. Shows how rock layers react under stress, breaking and sliding past one another. Shows normal, reverse, and strike-slip faults. Differentiate hanging wall from the footwall.