A hands-on volcano model building project complete with safe, simulated lava eruptions. Learn all about types of volcanoes, parts of a volcano, how volcanoes function, and precious gems volcanoes may produce. Kit includes enough materials for 24 students, Meets national standards
Voltage Converter 1000 Watt, Diamond Series Type 3, Dimensions: 7.25 in x 8.25 in x 5.75 in, Extra Adapter Included to Use with 220 Volt Outlets, Step-up 110/120 to 220/240 volts, Step-down 220v/240v to 110v/120v.