30" Insect Collecting Net with Aluminum Handle Subcategory_Lab Jacks Beech wood test tube rack

Beech wood test tube rack accommodates 13 tubes up to 25mm diameter in a 10

Aluminum pendulum clamp with three screw attachments on a die-cast head clamp fitting rods up to 16mm

Ratchet-stopped nickel-plated brass 25 mm micrometer screw gauge reading to 0

Benchtop hydro-electric power station at 13 by 9 by 7

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

30" Insect Collecting Net with Aluminum Handle Subcategory_Lab Jacks Beech wood test tube rackAluminum handled collecting net swings lightweight through tall grass and air sweeps for classroom field trips and introductory entomology sampling work.