• 21St Century Balance
A new version of a classic teaching tool! What makes this unit so special is an internal sliding weight mechanism that allows you to neutralize all factors after the fulcrum and positions of force have been established. Demonstrates levers, momentum, and the principle's of mass measurement more accurately than previous versions of this balance. 20" x 8"x 1-1/2"; 5 lbs.

  WARNING: This product can expose you to Lead which is known in the state of California to cause cancer and reproductive harm. For more information go to For more info go to – www.P65Warnings.ca.gov

International Data
HTS Code 9023000000
Country Of Origin United States of America
Product Code
UPC-12 795721137431

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21St Century Balance

  • $99.99

Tags: 7-1451, 21st Century, Balance, momentum, mass, fulcrum, force, demo, science,