Ages 6-12
Meet Biff, your guide to learning all kinds of fascinating and useful stuff! Check out the lessonsÑthere are three different levels, each packed with information. And the games and quizzes are specially designed with learning in mind. If you're stumped, don't worry! Biff is always around to provide help.
* Easy, medium & hard levels
* Practical information kids need to know
* Hours, minutes & seconds
* Days & weeks
* Months & years
* Time zones
* History & facts
Use the right tools to measure
Which century?
Days of the week
Windows® 10, 8, 7
233 MHz or faster processor (300 MHz recommended)
64 MB RAM (128 MB recommended)
Meet Biff, your guide to learning all kinds of fascinating and useful stuff! Check out the lessonsÑthere are three different levels, each packed with information. And the games and quizzes are specially designed with learning in mind. If you're stumped, don't worry! Biff is always around to provide help.
* Easy, medium & hard levels
* Practical information kids need to know
* Hours, minutes & seconds
* Days & weeks
* Months & years
* Time zones
* History & facts
Use the right tools to measure
Which century?
Days of the week
Windows® 10, 8, 7
233 MHz or faster processor (300 MHz recommended)
64 MB RAM (128 MB recommended)