Plastic Stackable Sifter Set, 8", 5-Pack Neulog_Accessories shipped with 100 discs and

shipped with 100 discs and a tape roll in a clamping-plate-ready case

this pot holder secures specimens during gravitropism and centrifugal growth-response experiments

the workhorse decade for introductory Wheatstone-bridge and Ohm's-law work

Six-piece 3-inch optical lens set combining three double-convex and three double-concave glass lenses at 200mm

Pack of 50 assorted one-hole rubber stoppers with 5mm hole provides acid and alkali resistance for laboratory vessel sealing with tubing pass-through

Plastic Stackable Sifter Set, 8", 5-Pack Neulog_Accessories shipped with 100 discs andGraduated through five different hole sizes from 9 16 to 1 4 inch, this stackable plastic sieve pack progressively sorts earth science and soil study samples by particle size.