Includes simple games, puzzles, and experiments which demonstrate basic scientific principles.
- ISBN10 0064460134
- ISBN13 9780064460132
- Publish Date 1 January 1990 (first published 31 December 1975)
- Publish Status Out of Print
- Out of Print 13 April 2011
- Publish Country US
- Publisher HarperCollins Publishers Inc
- Imprint HarperPaperbacks
- Format Paperback
- Pages 94
- Language English