Jumbo Test Tubes with Stand
Chunky, durable jumbo test tubes put serious science safely within reach for young students. Supports inquiry based investigation and hands on observation and learning. Plastic test tubes are safe at temperatures from 1- degrees to 200 degrees F and features calibration marks (25, 50, 75 and 100 ml). Hand wash. Includes 6 jumbo test tubes, different colored lids (to track experiments), a sturdy rack and an activity guide. Test tubes measure 6"H x 1 1/2" in diameter.