Painted Red and supplied with a keeper. Available in 3"; (left photo) or 1"; (right photo)

Use this apparatus to explain Ampere's rule. This demonstration consists of a heavy brass wire attached to a transparent plastic base. It comes with six small compasses and one larger compass. To demonstrate Ampere's rule using this apparatus, arrange the compasses around the wire, attach the wire…

This magnetic compass is extra large (90mm diameter), comes in a bright color plastic case, with a clear plastic top. Shipping weight: 2.0 oz. Dimensions: 4"; x 4"; x 1".

This attention-getting demonstration of magnetic repulsion uses a clear acrylic plate that keeps a spinning axle oriented above magnets built into the base of the apparatus. With a simple twist of your fingers, you can start this levitating magnet spinning and kick start a classroom discussion. The…

Strong steel magnets, zinc-plated with North and South poles marked. Supplied with keeper.

Excellent model, complete with Teacher Activity Guide which demonstrates LaPlace's law (also Flemings Left Hand Rule) What it shows is that a conducting material with electricity going though it is surrounded by a magnetic field and if placed in a magnetic field it'll result in a moving force.

Classic demonstration of how a current loop generates a magnetic field. Two coils of insulated wire, with 5 and 10 turns respectively, are wound around a 6" diameter plastic ring. The ring is mounted on a plastic base with 3 binding posts that allow connection to five, ten, or fifteen turns of…

Our Gauss Magnetic Accelerator is an incredibly simple device for demonstrating the conservation of momentum, the conservation of energy, potential and kinetic energy, and magnetic force. Instructions included. Includes: 1 Aluminum track with meter gauge and catch basket 2 neodymium…

The Magnetic Field Demonstration is a rectangular plastic housing that holds iron filings. The iron will react to any magnetic field that is introduced, allowing easy visualization of how magnetic fields interact with their surroundings. PRODUCT WARNINGS WARNING: This product can…

Set of 4 powerful alnico magnets with keepers. Set consists of 2 bar magnets 80mm x 15mm x 10mm; a small horseshoe magnet 25mm tall x 8mm wide; and a large horseshoe magnet 35mm tall x 15mm wide. Shipping dimensions 4"; x 4"; x 1"; shipping weight 375 grams.

Operating on 1.5 to 6 V DC, this electromagnet lifts up to 3.5kg. A current direction indicator is included for the study of the magnetic field.

This Law of Resistance Kit comes with everything you need in order to experiment with the resistance of electrical current through different types and sizes of conductor wires. This kit includes two digital multimeters that come with 2 patch cords each, 4 Connecting cords with banana ends (2 Red…

The calorimeters hold up to 200 ml of liquid and the digital thermometers measure temperatures between 50°C and 150°C with a precision of 0.1°C. The aluminum bridge has a cross sectional area of 122 mm² and is about 200 mm long between the liquid reservoirs (the exact length can…

Superior version of the classic device for investigating electromagnetic induction—the best we have seen! Primary and secondary coils are wound on robust molded formers fitted with shielded banana jacks, plated iron core has a molded handle for accurate positioning in the coils. Primary coil…

Iron fillings sealed in a transparent plastic cast that measures approx.

Support for bar magnets or friction rods. Allows magnets or friction rods to hang freely and turn in a horizontal plane. Hooks are 89mm apart.

This easy-to-hold plastic wand contains a ceramic magnet. Use for various activities to learn what items are attracted to magnets. Each wand measures 8” long by 1” wide. Sold as a set of six magnetic wands in assorted colors.

We have designed a speical stand to replace the pencil, for hands-free demonstration. Magnets are in plastic cases, to reduce breakage. Set contains 5 brightly colored magnetic rings, and the plastic stand, in a cardboard storage box.

A U-shaped electromagnet having two removable excitation coils, armature with hook, and terminals mounted at the top of each coil. Overall length approximately 13cm. Instructions included.

Powerful Alnico 1 bar magnets, shipped in pairs, with separators and keepers. Width 1/2, Thickness 1/4.

This kit is designed for high school students to learn the principles and applications of electromagnets. It includes two coils on plastic spools, a U shape iron core, a straight iron core, two magnetic compasses with stands, and a pair of wires. Students can build a bar-shaped and a U -shaped…

This is a quick and clean way to visualize magnetic fields. The demonstrator is a transparent acrylic case that holds iron filings suspended in a fluid of appropriate viscosity. When it is placed over a magnet, the field pattern can be viewed directly, or it can be placed on an overhead projector…

A natural rock that contains traces of iron ore with natural magnetic properties.

The Earth acts like it has a huge bar magnet located at its center. This set contains a globe that is 110 mm wide with a magnet contained along its axis. The magnaprobe contains a small magnet that is allowed to rotate on two axes. This set illustrates the path of the magnetic field…

Strong alnico magnet with a magnetic pole on each end. It can be used for magnetic field demonstrations and a variety of other lab experiments. Magnet is 7.5cm long, 1.25cm in diameter, and weighs approximately 100 grams.

Red and Blue Plastic covered bar magnets. These magnets are attractive as well as an easy way to teach magnetic attraction and repulsion.

A set of colorful ceramic disc magnets, in six primary colors. Magnets are 25mm in diameter.

We offer a variety of economical ceramic bar, disc, and ring shaped magnets. Magnets are upainted, except where noted.

An exceptional value! This kit includes a variety of Magnets, and accessories for teaching basics of magnetism. Comes in a reusable storage box. Shipping weight 1.5 lb, dimensions: 9.25"; x 9"; x 1.5";. KIT INCLUDES THE FOLLOWING: 1 Steel horseshoe magnet, 3 Ceramic donut magnets, 1…