Meet Biff, your guide to learning all about measurement and the units used to measure things. Check out the lessons - there are three different levels, each packed with information. And the games and quizzes are designed with learning in mind. If you're stumped, don't worry! Biff is always around to provide help. Usage rights vary by product and may be subject to additional restrictions. Product images displayed are for illustration purposes only. No physical materials or documentation will be distributed with electronic software downloads from our site. Dell's Terms and Conditions of Sale apply. Product Type: License Distribution Media: Download Category: Education application - education - other License Qty: 1 user Platform: Windows Learning Age Range: 6-12 years Category: Education application - other Product Type: License Distribution Media: Download Platform: Windows Learning Age Range: 6-12 years Min Supported Color Depth: 16-bit (64K colors) License Type: 1 user Supported OS: Microsoft Windows Vista / 7 / 8 / 8.1 / 10 Hardware Requirements: Microsoft Windows Vista / XP / 7 - 233 MHz - RAM 64 MB Additional Requirements: Sound card, 8x CD-ROM, speakers, 8MB video memory