For your STEM curriculum. 
 
Students will learn about decomposition, composting, life cycles, and environmental education through this exciting model. 
Features three separate, aerated compartments, enabling kids to view the entire decomposition process clearly and make side-by-side comparisons between different materials. 
Includes a 13 in. W x 5-1/4 in. D x 8 in. H clear plastic box with faux grass top, three clear-view compartments with aeration holes, and thermometers to demonstrate temperature change during the decomposition process. 
Teacher guide with usage ideas, time lines, and science fair applications also included.