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with a medium large cylindrical head made of hard white felt
Learn how to control ZIP LEDs independently
a ruler and an activity guide
it can even be played by younger players
Upgrade your microbit traffic light/pedestrian crossing projects
Hanna HI-98103 Pocket Checker pH Tester SE6360-80-WHE with a medium large cylindricalQuite simply our most popular pH tester, the Checker is a real favourite with its clear LCD display, long thin pH electrode and ease of operation. Simple to use, small enough to pop in a pocket and exceptionally well priced it is an ideal budget conscious pH tester Ideal for Use in education Low budget applications Quick check and general laboratory use Laboratory sampling Key features Sturdy compact meter designed for direct sample testing Easy to
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