Difficult Riddles For Smart Kids: Science and Technology Edition: 350 Fun Brain-Stumpers For Kids and Families: Ages 8 and up (7-9, 9-13+) (Eleven Worlds to Explore)
| Country | USA |
| Brand | Bruno Gmuender |
| Manufacturer | Bruno Gmuender |
| Binding | Paperback |
| UnitCount | 1 |
| Format | Illustrated |
| EANs | 9783867878425 |
| ReleaseDate | 0000-00-00 |