Wards Essentials Trebuchet Kit, Material: High quality precision-cut Birch verner pure bond plywood, Designed to be safe and robust, Dry firings and heavy projectiles are no problem, Holes are pre drilled, Medieval weapons, engineering, and physics, Beam arm: 21in
Wards Essentials Trigonometry Puzzle Set, High quality precision-cut Birch verner pure bond plywood, Contains: Step-by-step educational guide, Includes the unit circle, three 30-60-90 triangles, two 45-45-90 triangles, two circular sectors, Kepler's triangle
Wards Instaview Electrophoresis System With Built-In Power-Supply. Allows Simultaneous Dna Separation And Gel Viewing Or Imaging With A Smart Phone. The System Includes A Compact Power Supply, Gel Running Tank With Amber Filter Cover, 115V Input
Wards Instaview Electrophoresis System With Built-In Power-Supply. Allows Simultaneous Dna Separation And Gel Viewing Or Imaging With A Smart Phone. The System Includes A Compact Power Supply, Gel Running Tank With Amber Filter Cover, Blue Light, 230V Input
Wards* Chemistry Endospore Stain Kit, for 50 Slides, Distinguish between endospores, vegetative structures of bacterial cells,The endospores will stain green against a pink background, Includes spore staining solution, safranin O solution, and instructions
Wards* Chemistry Endospore Stain Kit, for 750 Slides, Distinguish between endospores, vegetative structures of bacterial cells,The endospores will stain green against a pink background, Includes spore staining solution, safranin O solution/instructions
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