Description
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
sized for hands-on Ohm's-law measurement and series-parallel comparison without rewiring between values
5-inch wooden base with a detachable design for easy draining
transistor
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.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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