Plastic Stackable Sifter Set, 8", 5-Pack Neulog_Accessories this pot holder secures specimens

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

Concave glass mirror

and seedling development for monocot seed-biology teaching

Epoxy-coated steel wire rack with a 40-tube capacity for 18-20 mm test tubes

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

Plastic Stackable Sifter Set, 8", 5-Pack Neulog_Accessories this pot holder secures specimensGraduated 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.