Jumbo Test Tubes

These oversized and colourful science tools are ideal for little hands to grip while supporting hands-on observation and investigations. The jumbo test tubes feature calibration marks of 25, 50, 75 and 100ml to encourage experimenting with volume. Made of sturdy plastic, the tubes are safe to be used with liquids from -12° to 93°C. The brightly coloured screw-on lids are wipe clean to enable labelling for different activities. Set includes 6 test tubes 15cm(H) and useful plastic storage stand 14cm(W). Age 3 years +.