US$ 137.03
Used as the positive-rail counterpart to the long black lead
STOPPER & STOPCOCK || Fitted with an interchangeable 19/26 plastic stopper and glass key stopcock
Built for kitchen science whimsy
5/6/9/12V at up to 1A
Wider 70 x 20 x 8mm cross-section on this Alnico bar pair gives a broader pole face than typical bar magnets
Hydra Anatomical Model, Basic Graduations_Ungraduated Used as the positive-rail counterpartBasic Hydra model demonstrates freshwater polyp anatomy, tentacles, and simple cnidarian body plan for invertebrate biology teaching.
US$ 137.03
US$ 148.84
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US$ 109.00
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