Description
Blocks chemical
Adjustable mass on one fork shifts its 440Hz pitch by a few hertz
LED-indicating 2-input OR gate module showing HI and LO states with red and green LEDs and a printed truth table on the board
7mm copper wire
8-Piece Plastic Sieve Set with Stainless Steel Mesh Subcategory_Anatomy Models Blocks chemicalEight plastic framed sieves with stainless steel mesh graduate from coarse to fine for sorting particles by size in geology, soil science, and lab prep.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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