Chunky, durable test tubes put serious science safely within reach for young students!

• Encourages inquiry-based investigation and hands-on observation
• Supports serious science experiments — plastic tubes are safe at temperatures from 10°-200°F and feature calibration marks (25, 50, 75 and 100 ml)
• Includes 6 test tubes, different colored lids (to track experiments), sturdy rack and Activity Guide
• Hand wash

Tubes measure 6"H x 1.5" in diameter