8-Piece Plastic Sieve Set with Stainless Steel Mesh Subcategory_Anatomy Models securing rods and posts up

securing rods and posts up to 40 mm thick across laboratory stand configurations

Adjustable mass on one fork shifts its 440Hz pitch by a few hertz

the second universal-logic gate that complements the NAND for any digital-circuit construction

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 securing rods and posts upEight plastic framed sieves with stainless steel mesh graduate from coarse to fine for sorting particles by size in geology, soil science, and lab prep.