Find material and harness power to make the longest-burning light bulb.
Source
www.usmint.gov (via Wayback Machine)
Inventor’s Challenge screenshots
Inventor’s Challenge
| Rating: | [0 / 5 - 0 Votes] |
| Tags: | Arcade , Educational |
| Publishers: | The United States Mint |
| Language: | English |
| Play Mode: | Single Player |
| Library: | Flash Games |