There's nothing like an erupting volcano to get kids fired up about earth science! This large plastic model makes volcano demonstrations easy AND mess-free. One half of the detailed cross-section shows the inside, the other has corresponding labels A, B, C and D for assessing knowledge. Includes easy-to-make lava recipe and 13 clear plastic tray for quick clean up. Measures 11 H x 13 W and includes fact-filled Teacher's Guide.