Relativity (Physics) -- Experiments. : Albert Einstein and relativity for kids : his life and ideas with 21 activities and thought experiments [Hoopla electronic resource] / Jerome Pohlen.
Relativity (Physics) -- Juvenile literature -- Videodiscs. : Time [(DVD) videorecording] / Disney ; produced in association with the National Science Foundation ; KCTS Seattle ; Rabbit Ears Productions ; directed by Michael Gross, Darrell Suto.