Constructed of aluminum alloy. It includes a comprehensive accessory package. Includes activity guide NOTE: This item requires an air source and a digital timer with photogates(both not included). More detailed description available upon request.

Constructed of aluminum alloy. It includes a comprehensive accessory package. Includes activity guide NOTE: This item requires an air source and a digital timer with photogates(both not included). More detailed description available upon request.

Connect this clamp to any support rod to set up three separate pendulum demonstrations. Includes individual cord clamps.

Free fall apparatus has a 150cm fall length. It includes an electromagnetic ball release, a pair of photogates, 2 steel balls, a plumb line, and a catcher. Requires digital timer (not included). Includes activity guide.

This four-digit timer is designed to be used with air tracks, free fall apparatuses, and other equipment. Includes activity guide.

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. Includes activity guide.

Free fall apparatus has a 150cm fall length. It includes an electromagnetic ball release, a pair of photogates, 2 steel balls, a plumb line, and a catcher. Requires digital timer (not included). Includes activity guide.

Demonstrates that all objects experience the same gravitational acceleration and fall at the same speed in a vacuum.Includes a connection to any standard vacuum pump (not included). Includes activity guide.

This low noise (<58dB) air source is an ideal accessory for air tracks, air tables, and other pneumatic equipment in physics labs. The 250W motor produces a clean air output with a flow rate of 35 m3/hour at a 0.70 kPa overpressure.

This device demonstrates the generation, propagation, reflection, interference, and diffraction of waves. It comes with all accessories. A 6V DC power source and an overhead projector are required (not included). Includes activity guide.

Tuning Fork Boxed Set of 13 includes a wooden box. Each tuning fork has a specific place in the foam lining die-cut for easy storage. Also contains a mallet specially designed with one hard and one soft end for use with all frequencies of forks.

Tuning Fork Boxed Set of 8 includes a wooden box. Each tuning fork has a specific place in the foam lining die-cut for easy storage. Also contains a mallet specially designed with one hard and one soft end for use with all frequencies of forks.

Tuning fork mallet has a head with one end made of hard acrylic and the other end made of rubber. Head is mounted on a metal rod with an easygrip wooden handle.

Made of aluminum alloy. The frequency and scale letter is stamped on each fork.

Made of aluminum alloy. The frequency and scale letter is stamped on each fork.