Frictionless Surfaces only 4ドル.95 per square meter!

Inextensible Massless Rope only 1ドル.99 per meter!

Point Masses only 1ドル.39 per kilogram!

Massless, Zero-Volume Paint

Perfect for labeling those pesky electrons so you can keep them straight!

*** SOLD OUT ***

Frictionless Pulleys only 2ドル.00 ea.

Massless Pulleys only 4ドル.49 ea.

Frictionless, Massless Pulleys regularly 10ドル.00, now only 7ドル.49!

Ideal Springs $.75 and up

Ideal Gas monatomic 5ドル.00 per liter *

diatomic 7ドル.50 per liter *

triatomic 10ドル.00 per liter *

* plus deposit on container. All gases delivered at STP.

Magnetic Monopoles

Great Party Jokes!
Thousands of Possibilities!
Annoy that theoretician in your family!

1ドル.25 ea.

Perfect Voltmeter only 99ドル.99

Perfect Ammeter only 159ドル.99

Special Sale: Buy Ammeter, get Voltmeter for half price!

700 W Perfect Refrigerator only 899ドル.99

Zero-Resistance Wire
Various gauges available, inquire as to price and/or availability