Mess-free magnetic field study means there is no need to clean up iron filings. The clear cube is filled with iron filings suspended in a solution, which make it possible to view magnetic field patterns easily by adding a magnet into the center of the cube (magnet is included). The patterns can be observed from all angles and easily manipulated with other magnets from the outside of the cube. The clear acrylic material also allows for overhead projection for whole groups to view.
• 3″ L x 3″ W x 3″ H

Item 3615-00

$23.75

These one-of-a-kind tops, called Tippe Tops, have a smooth, mushroom-like shape. The tops will right themselves when pushed onto their sides. When spun, they will rotate and slowly turn themselves upside down to spin onto their ‘stems,’ due to their offset centers of mass. This seemingly simple ‘toy’ packs a big scientific punch; use it to explain concepts such as moment of inertia, angular momentum, rotational force, gravity, and friction.
• Comes with a Teacher’s Guide
• Sold in a set of 3
Material:
• Solid wood, painted
Dimensions:
• Large: 1.50″ (3.8 cm) L x 1.50″ (3.8 cm) W x 1.97″ (5 cm) H
• Medium 1.26″ (3.2 cm) L x1.26″ (3.2 cm) W x1.57″ (4 cm) H
• Small 0.98’’ (2.5 cm) L x 0.98’’ (2.5 cm) W x 1.38’’ (3.5 cm) H

Item 4647-00

$2.33

• Video Available

Accessory Kit Only For Air Track Appa. Track Ar-701

Item AR-701-A

$47.73

Use this complete optics set for impressive demonstrations. This kit uses a compact yet powerful Laser Ray Box, which has bright and well-defined rays perfect for classroom use. The Laser Ray Box projects 1, 3, or 5 parallel laser beams onto any flat surface ideal for optical ray viewing and analysis. It includes everything needed to demonstrate the basic principles of geometrical optics. A convenient, impact-resistant, foam-lined black carrying case keeps everything organized and ready to use.
• Comes with a Teacher’s Guide
Includes:
• Concave lens
• Convex lens
• Parallel flat or parallel bar
• Trapezoid prism
• Right angle lens
• Mirror
• Hollow semicircle
• Frosted semicircle
• Magnetic activity mat (15″ (381 mm) L x 8.25″ (210 mm) W with printed scales and angles
• Laser light beam chart
• The Ray Box is powered by an AC adapter (included)

Item 5133-00

$68.75

• AmSci Exclusive
• Teacher's Guide Included
• Handout Included

Use this self-contained unit to measure and study the refraction of light. Incident and refractive rays are easily seen and measured by using this product. Refraction of light can be studied with the help of a built-in laser as a light source which revolves and can be fixed at any point around a circular graduated scale. The unit is made with leveling screws to level the water in the tank.
• Comes with a Teacher’s Guide
• Requires (1) LR44 button battery (included)
• 6.75″ (17.1 cm) W x 5.5″ (13.9 cm) D x 10″ (25.4 cm) H
• Capacity: 400 ml

Item 6330-00

$39.62

• Teacher's Guide Included
• Handout Included

This set of 4 tuning forks includes 1 each of the following frequencies: 256, 320, 384, 512 Hz. These forks are useful to demonstrate the energy and vibration of sound. They are a great addition to many classrooms as well as labs.

Item 7120-10

$11.88

How many breaths does it take to fill up an 2.4 m (8″) long plastic tube? The answer may suprise you & your students!. If you place it firmly to your mouth (like a balloon), it will take many breaths to blow it up. But if you hold it out in front of your mouth and blow, air pressure in the stream you produce is reduced, entrapping surrounding air to join in, filling up the bag. You can blow it up with a single breath! This is especially effective after your students have counted many of their own breaths in attempts to fill up the bag!

• Comes with a Teacher’s Guide

• Sold in a pack of 4

• Green

Item 7040-00

$4.06

• AmSci Exclusive

Use these holders to attach accessories like Chladni plates or springs to our Wave Driver (Item #8420-00).

Item 8430-06

$4.50

• AmSci Exclusive

This Spring Kit is for use with our Sine Wave Generator (Item #8410-00) and Wave Driver (Item #8420-00). Connect the spring to see longitudinal waves in action! It offers a vivid demonstration of important principles in physics.

Item 8430-01

$9.09

• AmSci Exclusive

This Cord Kit is for use with our Sine Wave Generator (Item #8410-00) and Wave Driver (Item #8420-00). Use the elastic cord to see longitudinal waves in action! It offers a vivid demonstration of important principles in physics.

Item 8430-03

$4.04

• AmSci Exclusive

Use these strips with our Sine Wave Generator (Item #8410-00) and Wave Driver (Item #8420-00) for a captivating illustration of the principles of resonant modes. Because they are different lengths, the strips will noticeably oscillate at different frequencies.

Item 8430-05

$5.36

• AmSci Exclusive

The Rattleback is a long, thin, half-elliptical shape formed in plastic. It has a slightly offset center of gravity, which causes the Rattleback to spin in a directional rotation of choice, usually counterclockwise. If you attempt to spin the Rattleback in the clockwise direction, strong preference will cause the Rattleback to “rattle” back and forth after few rotations, stopping and then reversing the rotation back to the preferred counterclockwise direction. The directional preference is so strong that if the Rattleback is at a standstill and you push down on 1 end, it will begin turning.
• Comes with a Teacher’s Guide
• Assorted colors

Item 9222-23

$4.49

• Teacher's Guide Included
• Handout Included
• Video Available

This Wire Loop Kit is for use with our Sine Wave Generator (Item #8410-00) and Wave Driver (Item #8420-00). Use it to illustrate the patterns of standing waves. It offers a vivid demonstration of important principles in physics.

Item 8430-02

$3.80

• AmSci Exclusive

This Wave Driver can be used with the Sine Wave Generator (Item #8410-00) to form the Vibration Demonstration Kit. The kit shows sine waves as they travel across a medium. Connection wires are included. It is truly a great, quality demonstration device at a low cost!
• Accessories can be purchased separately: Longitudinal Wave Spring Kit, Item #8430-01; Resonance Wire Loop Kit, Item #8430-02; Metal Resonance Strips, Item #8430-03; Sand and Shaker Kit for Chladni Plate Demonstration (Chladni Plate sold separately), Item #8430-07; Chladni Plates Kit, Item #8430-04; Chladni Plates Round and Square with Allen Key and Holder, Item #8430-04-01; Chladni Plates Round and Square, Item #8430-04-05
• Power: 1 A
• 3.91″ Dia. x 3.03″ H

Item 8420-00

$81.08

• AmSci Exclusive
• Video Available

This PVC-insulated copper wire has 2″ (50 mm) PVC-insulated alligator clips on both ends. It is useful for making circuits and electrical demonstrations.
• Comes in a pack of 6
• 3 red wires and 3 black wires
• Diameter: 2.6mm
• Gauge of Wire: 16

Item 9119-06

$1.75