This extra long slinky measures 7.5 cm in diameter, extends to 9 meters & compresses down to 10 cm. Watch it walk downstairs and use it to study longitudinal & transverse waves! See more product details below.

Upgrade your physics lab with this force table kit, allowing students to experiment with multiple forces and easily visualize and measure each kind.

Make a working internal combustion engine with this Smithsonian Motorworks science kit! Provides a fascinating way to learn the basics of how a typical car engine runs and includes a color poster with detailed instructions.

Use this set of 10 density cubes to demonstrate the density differences of various materials and experiment with mass, density, specific gravity, and buoyancy.

With this deluxe kit, kids will spend hours exploring some of the most fascinating aspects of physical science: how water and air can power machines, allow objects to fly, and much more. Explore more product details below!

This complete kit includes an inclined plane with pulley and protractor, a Hall's cart, and a standard weight hanger.

A spring scale measures weight or force when an object is hung from its hook.

This 50 mm metal pulley is mounted in a clamp that can be attached to any board or table top up to 3 cm (1.18") thick.

Lift off into the engineering of aerodynamics with the POWERUP 2.0 complete conversion kit bundle! Begin flying in style right away. This kit includes 10 additional full-color templates, 2 waterproof airplane templates, and instruction book.

Convert your paper airplane into a flying machine! The POWERUP 2.0 is an easy to use design, with a carbon-fiber propeller shaft and ultra-tough rear propeller to make your flight virtually crash-proof.

Get a set of Wood, Steel and Aluminum Balls with Holes. Each ball is 3/4" in diameter. Perfect for density measurements, as pendulum bobs, and for energy transfer experiments. They're a must-have for your physics lab!

Contains everything needed to observe the frictional force of 4 different surfaces: rubber, cork, sandpaper and cardboard.