This toy seems to defy physical laws as it reverses its spinning direction. Bulk Packed.

A reusable heavy latex rocket balloon that is 10" long and flies in a random squealing path.

This little item creates a tornado in a bottle. Bulk Packed.

A heavy reusable latex balloon that spins and sputters at a furious rate.

5 varied and interesting balloons and projectile-like items.

A botanist's dream: brilliant flowers to wrap with.

Make 6 vibrant, multi-colored, high-bouncing balls!

Kit includes ten colorful packets of terraforming powder and 2 molds for both big and small planets.

Everything you need to brew gallons of delicious Cola. How awesomely primitive.

Everything you need to brew gallons of delicious spicy Ginger Ale.

Everything you need to brew gallons of delicious root beer.

A fun air-propelled little car

Piezoelectrical rocks!

Create a lovely snowy white rock garden in days.

Makes 2 cups of cool snow-like stuff with interesting water absorbing properties.

This biodegradable latex balloon is at least 3 feet, maybe bigger when inflated.

Dissect this sanitary owl pellet which contains the skeletal remains of an owl meal.

This pocket sized hypotrochoid stencil & gears allow for endless variations and possibilities.

A semi-ellipsoidal top that spins in only one direction, seeming to violate the angular-momentum conservation law of physics.

Use the sun to make things go.

Kit packed with one pellet, bone chart, probes and instructions.

Ulexite, the amazing fiber optic mineral.

Create and control a phenomenal vortex.

Complete, uncut, unabridged, but crack open this rock to find a crystalline interior.

A pocketable demonstration of the center of mass.

Be a guerilla gardener!

Demonstrates the physics principle of center of gravity

Sample shimmering semi-precious gemstones.

Glowing 16 piece human skeleton puzzle.

Static electricity can do more than make your hair stand up. Harness the energy to power this light bulb.