Tops & Gyroscopes

2" flywheel in a well-made metal frame. The trick is the same as it has been for 100 years. Wind the string through the spindle, pull it firmly to set the flywheel spinning, and perform effortless balancing magic on pencil tips, string tightropes, and...

We love when science and play come together, and this precision gyroscope is our latest obsession in that department. Constructed mainly out of durable plastic with rubberized tips, this Cyclone Gyroscope® was designed by TEDCO® ...

A tiny touch of whimsy from your local scientific and surplus monger. You get a trio of 1-3/4" dia x approx 2-5/8" tall plastic tops in assorted colors, with the American Science & Surplus logo on the disc. The tops of the tops have a vaguely...

Yo, you might look at this classic yo-yo, which measures a little over 2" dia and think, yeah, it’s a classic yo-yo—nothing special. But then you might look further and notice that it lights up! Move over, kid—let an old pro show you...