Customer Reviews

Based on 42 reviews
90%
(38)
10%
(4)
0%
(0)
0%
(0)
0%
(0)
A
A.B.
Great desk Toy

Very easy to set up and get running. Everyone was interested in it. Very good purchase.

R
R.
awesome engine

Arrived quickly, in great condition. Received multiple emails from the company ensuring that I received my product, and that it was in working condition. Perfect gift for professors/mentors/students interested in chemistry or physics.

G
G.K.
works great

Good workmanship and it works great

H
H.K.
Sterling engine review

Ordered two Stirling Engines that are meant to sit on hot coffee cups and spin to demonstrate a particularly unique conversion of heat difference into mechanical motion, for my son and daughter. Maybe, I errorred when ordering, but one was a more expensive model that was meant to be heated by a flame and had a pulley and propeller blade. Feedback from my son and daughter was that the engines were high quality and well built, interesting and educational. Can't wait to see them for myself. Would purchase other products from this company again.

J
J.T.
Great Little Stirling Engine

This is a great way to demonstrate a Stirling engine with only a container of very hot water. I use a coffee maker to heat the tap water by running the water through the coffee maker first.

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