Jumbo Test Tubes With Stand, Chunky, Durable Test Tubes Put Serious Science Safely Within Reach For Young Students, Each

Details:

Support inquiry-based investigation and hands-on observationplastic tubes are safe at temperatures from -12.2° To 93.3°C (10° to 200°f)tubes feature calibration marks: 25, 50, 75 and 100mlhand washorder infogrades prek . Size: 1.5D × 6 in. H (4 × 15cm).