Using the colored sands included, you'll model the formation of folds, reverse and growth faults, and expansion and rift valleys. You can also demonstrate the effects of compression on fold and fault formation surface erosion and unconformity, and earth mass movement. Use with plaster to make permanent models of specific tectonic processes.
Comes with comprehensive student's and teacher's guides which provide a detailed overview of continental drift, ocean floor spread, the earth's changing surface and other related concepts. Size: 10 1/2"L x 6"W x 6 1/2"H. Grades 7-10.
Refills are available below.