Epoxy-coated, steel wire test tube rack resists most solvents, weak acids and bases. Withstands temperatures up to 121 C. Holds 80 Tubes, size 25mm. 8X10 Format
Go Wireless* Exercise Heart Rate, Recommended for College, High School, and Middle School Science, excellent hands-free option for continuously monitoring heart rate before, during, and after exercise or while a person is stationary
Game Integers Exponents Learning Center-Grade 6-9, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; 4-panel and visual guide, Write-On/Wipe-Off activities