Grades K - 6. This inflatable classroom set helps children understand the size and distance relationships of the solar system, while learning about rotation, revolution and orbit through class activities or demonstrations. Includes 23" Sun and proportionate planets and moon with sizes ranging from 5" to 14". Also includes a foot pump, hooks for hanging, and teacher's activity guide. Deflates for easy storage.
6 years & up. 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.