Jumbo Test Tubes Set of 6

Primary Science Jumbo Test Tubes with Stand Chunky, durable test tubes put serious science safely within reach for young students. Supports inquiry-based investigation and hands-on observation. Plastic tubes are safe at temperatures from 10 degree-200 degrees F and feature calibration marks (25, 50, 75 and 100 ml). Hand wash. Includes 6 test tubes, different colored lids (to track experiments), sturdy rack and Activity Guide. Tubes measure 6"H x 1.5" in diameter. Grades PreK+ LER 2788