Tree of Knowledge Volcano Set teaches inquisitive youngsters about nature's most awesome phenomenon!
The Tree of Knowledge Volcano Set lets your child make a real erupting volcano, complete with light and sound effects! Youngsters can trace the development of volcanoes and produce different types of eruptions, and they'll be learning all the while. Other activities include how to make a fire extinguisher, how to make a lava light, and more. Educational toys don't get much cooler than this! For children age 10 and up. Requires 2 "AA" batteries (not included).
Warning: Choking hazard, for children 10 and up.