Xtra Strong Levitator Large, intended for science demonstrations. They are easy to use and highly durable. The levitators are provided with 6 months full no-questions-asked warranty. Able to carry only their own weight + liquid nitrogen.
Simple Science Experiment book, With Everyday Materials, Gaining knowledge of the fundamentals of science, Genre: Juvenile Nonfiction, Projects include a bubble blower, a bottle barometer, Age Range: All ages, Grade: P-17, Pages: 306, Dimension: 8x9-1/8in