Utilize the power of your smartphone with this unique Hall’s Carriage. The secure clip holds your smartphone securely for motion experiments. Using an app of your own choosing, you can graph acceleration and velocity. Includes activity guide. Secure clip holds your smartphone securely for…

Hooded lighter is safe and economical. The hood traps gas and protects the lighting file. Replacement flints are also available.

This low cost apparatus is great for demonstrating Boyle's law (elasticity of gases). A plastic syringe is mounted on a wooden base. A piston is mounted to a platform that holds various size weights, allowing students to plot pressure versus volume of gases in the cylinder. Dimensions: 9"…

Good quality pipettors designed for easy and precise pipetting. Pumps feature a lever for quick release, and forward or backward wheel movement. The soft elastic chuck has a threaded collar to tightly grip glass or plastic pipettes. Easy to clean. Each size color coded.

Made from Plate Glass, with carefully ground and polished optical survaces, and cleanly ground edges, these lenses feature a diameter of 38mm - 125mm and focal lengths from 50mm - 500mm.

A quick and easy tool for demonstration thermal properties of matter. Bar is bi-metallic and has a wooden handle attached. When heated, the bar bends dramatically. An activity sheet is included. Dimensions 9" x 1" x 1"; shipping weight 0.25 Lbs.

The Lattice Lab System is a lightweight flexible set of support rods and clamps that allows a wide range of lab apparatus to be assembled and securely supported. Assembly is easy and requires only a screwdriver. Support rods are made of hard aluminum and foot plates and hook connectors are made of…

This device can be used as a classic standard calorimeter or as an electric calorimeter. Made of aluminum and plastic, the calorimeter has a diameter of 10cm, height of 11cm, liquid capacity of 175ml, and a heat capacity of 25J/°C. Electrical requirements are 6V DC, up to 2A.

This aluminum top hot plate with stirrer has a powerful, 500W heating element and a 280°; C maximum temperature. The unit automatically stops heating when the maximum temperature is reached. Temperature range is from 0 to 280°; C. Stirring function operates at speeds from 0 to…

Each unit consists of a wooden resonator box, tuning fork, and a tuning fork mallet. Resonator box is 18cm x 9cm x 5cm.

This benchtop microcentrifuge is ideal for quick spin-downs of microcentrifuge tubes. Includes a multi-rotor that accommodates twelve microcentrifuge tubes in 0.2ml, 0.5ml, 1.5ml, or 2ml capacities, or four 8-well, 0.2ml PCR strips. Safety lid with lock stops centrifuge quickly when opened.…

Clamp holders for rods up to 19mm (0.75") in diameter. Available in Cast Iron or Brass.

A simple but effective device for demonstrating Lenz's Law using eddy currents induced in the wall of a copper tube by a falling magnet. The demonstrator consists of a 12"; long copper tube and two apparently identical metal slugs with rubber end caps. One slug is plain steel, and falls…

Consists of solid metal cylinder in a close fitting metal bucket, 19mm in diameter, 50mm long. Shipping weight 3 oz. Dimensions: 4"x1.5"x1.5"

Explore Newton’s laws of motion and demonstrate the equilibrium of forces with this economic tool. The lightweight design and suction cup feet enable placement on horizontal or vertical surfaces, including whiteboards. Included clamps securely hold spring scales in place while allowing for…

This series of digital heating mantles includes a built-in stirrer function. Separate knobs control the temperature level up to 400° C and stirring speed up to 800 rpm. The external probe allows the temperature of the contents of the flask to be directly measured. Case is constructed of durable…

Display version of the Foucault 1851 experiment to demonstrate the Earth's rotation. The 57" high unit contains a maintained pendulum whose precession rate can also be used to calculate latitude or time. This product has a 90 day lead time. Market standard for this type of product.

Acrylic Semi-circular Lens, 75mm base, 15mm thick.

Set includes two helical springs. The long, narrow spring measures 3/4" x 72", and can be extended to 5 meters. The larger spring measures 3" x 4", and can be extended many times its length without distortion. The long, narrow spring measures 3/4" x 72", and can…

Our Radiometer is made from a glass bulb from which much of the air has been removed. Inside the bulb, on a low-friction spindle, is a rotor with 4 vanes. Each vane has one blackened side and one silvered side; one black vane features a white dot in order to count rotations easily. When exposed to…

Hardwood half meter stick for use with our Demonstration Balance Support or other laboratory measurement activities.

Support rings with clamp, cast iron.

Based on proven designs, this updated Boyle’s Law Apparatus permits a quantitative verification of Boyle’s Law to be quickly and easily performed. The results are reliable and more convincing than measurements obtained from a simple syringe-based apparatus. The air sample is…

Explore basic mechanics concepts with this all-metal, freestanding apparatus, designed for both durability and ease of use. The plane is wide enough to accommodate standard friction blocks or a Hall’s carriage with a smartphone attached, and its walled construction prevents objects from falling off…

Demonstrate plate tectonic principles, plate boundary interactions and the geometry and relative motions of faulting of geologic layers using 3-D manipulative models. Versatile kit contains a Fault Model Set of 5 manipulatives and a Tectonics Sand Layer Model. Use the Fault Model Set to demonstrate…

Glass prepared microscope slides, supplied in a wooden case. Contents: Allium Mitosis, ls Amoeba Proteus, wm Animal Mitosis, sec Diatom Strew, wm Euglena, wm Ficus Leaf, cs Hydra - Plain and Budding, wm Paramecium Caudatum, wm Planaria - Plain, wm Rananculus -…

This unique hand generator is an easy yet effective way to teach how AC and DC electricity is produced. Banana plugs can be inserted into the different connectors to change from AC to DC electricity. The unit has a clear base for easy demonstration of connections. Includes an activity guide.

A comprehensive and economical set of equipment for ray optics and color experiments using magnetic-backed components that can be used on the included whiteboard or any installed steel whiteboard. This set is a great value! The set's topic range includes the optics of lenses, mirrors and…

This 25 foot / 7.5 meter metal blade tape measure is 1" wide and is scaled in 1/16" increments on one side and 1mm increments on the other side. Features an easy to read lockable, retractable yellow blade and high-impact ABS case.

Mohr's Pinchcock tubing Clamp is made of steel wire and nickel plated. Available for tubing diameters of 10mm, 13mm, and 16mm.

This wooden pinning block has three steps. Excellent for mounting insects.

This mineral test kit is useful for rock, mineral and fossil identification. Kit includes: Hardness scale, dropper bottle, hand lens, glass streak plate, black streak plate, white streak plate, cermaic bar magnet, nail and penny.