Collectors have proven avid fans of [Steve Jobs](https://9to5mac.com/guides/steve-jobs/) memorabilia over the years, and a new piece seems likely to attract significant interest. It’s an 8th-grade science fair project with two demonstration circuits – and a warning note from Steve to his teachers.It’s remained at the Jobs family property in Los Altos ever since, but is now one of more than 200 items in an [Apple](https://9to5mac.com/guides/aapl/) 50th anniversary auction …