GSC International, Inc.

The digital force meter is ideal for addition and resolution of forces, as well as for experiments involving action-reaction laws and other physical phenomena. With a wide range of 2, 5, 10 and 20 Newtons, it virtually replaces four types of spring balances, making it perfect for a variety of...

Our borosilicate glass gas measuring tubes have permanent, white graduations, subdivided by 0.1ml. We offer tubes of varying capacities. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including arsenic and lead, which are known to the State of California to cause cancer, birth...

Balls sold individually and in a variety of sets. Choose from aluminum, brass, copper, cork, glass, lead, steel, wood, and zinc. Sizes include 19mm and 25mm. Pick from one of the following styles: drilled center hole, solid, and with hooks. Ball sets include: 42003-19: 19mm diameter with drilled...

This Filtration Kit allows rapid separation of mixtures via vacuum filtration. The stopper is cut to hold a Buchner funnel. The hand-operated vacuum pump simplifies vacuum filtration, eliminating the need for a water source or vacuum aspirator. It is more economical than an electric vacuum pump. The...

Our flat metal electrodes are 18mm by 100mm (approximately 0.75" by 4"). We carry electrodes made from seven different metals: aluminum, brass, copper, iron, zinc, nickel, and tin. Use them in your own experiments with electricity.   PRODUCT WARNINGS WARNING: This product can expose...

With the Electrostatic Charge Kit, your students will have fun experimenting with static electricity. Instructions included. Kit includes: 1 Wool cloth 1 Silk cloth 1 Cotton cloth 1 Acetate cloth 1 Neon lamp 6 Pairs of Pith Balls 6 Friction rods (acrylic, glass, polyethylene, polystyrene, PVC,...

Our polystyrene Spot Plates have twelve depressions that are 20mm in diameter by 10mm in depth. They are 80mm by 110mm. Sold in packs of 12. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene, which are known to the State of California to cause cancer, birth...

This Filteration Kit allows you to quickly separate suspensions and mixtures using vacuum filtration. Included is a 500ml Borosilicate Filtering Flask, Vacuum Pump, Porcelain Buchner Funnell, 9cm filter paper, connection tubing, and a rubber stopper. The stopper hole is specially cut to hold the...

The dropping bottles and assemblies are used to store and dispense liquids, protecting them from contamination. The Bottles are Flint Glass, Clear, French Square.  

Our Graham condensers are made from high-quality borosilicate glass and have a sealed, coiled inner tube and two inlet/outlet arms. These condensers have 24/4 ground glass joints, but we also sell Graham condensers with standard joints . PRODUCT WARNINGS WARNING: This product can expose you to...

For performing experiments in conservation, velocity, elastic collision, acceleration and momentum. The set contains two high impact plastic cars with snap in wheels and two spring steel bumpers with rubber stopper assemblies. Each car has a recession for holding additional weight. The approximate...

Studying waves in physics class can sometimes be difficult for students to conceptualize. This 3" diameter flat spring steel apparatus can make visualizing wave propagation much easier. The plated spring can be stretched across the room allowing the entire class to witness the wave traveling back...

These clips are meant to secure the connection of two ground glass joints. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to...

This 17-inch (43cm) skeleton model fits on a desk and rests on its stand. It includes all the major bones, such as the skull, rib cage, spinal column, humerus, radius, ulna, hand, pelvis, femur, tibia, fibula, and foot, as well as a partial circulatory system. Made of PVC plastic

Our borosilicate Watch Glasses have fire-polished edges and a concave shape. They have many uses in the lab, such as covering jars to prevent contamination, preventing direct contact with heat, acting as an evaporation surface, and more. PRODUCT WARNINGS WARNING: This product can expose you to...

A Vernier Caliper has many uses. The plastic Vernier Caliper is so inexpensive that every student can have their own tool and learn the fundamentals of using this tool. The Vernier Caliper is graduated in a metric scale of 0-150mm.

These borosilicate glass Volumetric Pipettes are used to measure the volume of liquids. They are color coded and graduated. Volumetric pipettes allow for an extremely accurate measurement of a solution. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are...

The portable butane burner is a great option for any lab because the wide base and low profile provides the burner with a stable footing. The support rings attached at the top, allow you to use the burner as a hotplate for laboratory glassware. The valve and ignition buttons are separate for added...

These stands have nickel-plated rods, and heavy, corrosion-resistant bases for stability. They come as a set with support rings included. Stamped Steel Base #4-SSS66-R2 : Base [4" x 6"], Rod [18" x 5/16"], 2 Rings [diameter 3", 4"] #4-SSS67-R3 : Base [5" x...

The Teasing tool is used to manipulate small specimens in dissection experiments. The teasing tool has a wood handle. The length is approximately 6 inches overall. Sold as a pack of 12. Available in bent metal tip or straight metal tip.  

The Spark Timer is a recording device used to measure the velocity and acceleration of a falling or moving object. It sparks at uniform intervals, leaving marks on a paper tape. The distance between the marks on the tape are used to calculate velocity and acceleration. It is provided with a roll of...

The Color Filters are used to study additive color mixing in a science classroom or home school. The color filters are made of gelatin material. Five different colors are included in the kit: red, green, yellow, orange, and blue. The kit is provided with a detailed and informative instruction guide.

The rubber pipette filler is used to safely draw liquids into a pipette. One valve releases air, another draws in liquid, and the third regulates and releases the liquid. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including benzene and lead, which are known to the State of...

This all metal, permanent wick alcohol burner has a tank capacity of 100ml. The 'wick' portion is a ceramic fiber inserted into a thin copper tube. This construction allows for a constant flame. The burner is fueled by high-quality alcohol which can be found in most local hardware stores (not drug...