| GMD | Text |
| Classification | 609 L77 |
| Publisher | [Sl], Grolier Books, c1999 |
| Subject | Inventions -- Juvenile literature.Inventions. |
| Topic | Grade 2-3 Reading (420L-820L) |
| Series | Disney presents the wonderful world of knowledge |
| Description | 57 p. : col. ill. ; 29 cm. |
| ISBN | 9780717289462 |