Science Test Tubes
- Put serious science safely within reach of young students!
- Includes 6 chunky plastic test tubes, 6 colored lids, sturdy rack, and activity guide
- Tubes are safe at temperatures from 10°-200°F and feature calibration marks (25, 50, 75 and 100 ml)
- Tubes measure 6"H x 1.5" in diameter
- Designed for ages 3+
