myfordboy | LTD Stirling Engine Challenge @myfordboy | Uploaded September 2019 | Updated October 2024, 5 hours ago.
Low Temperature Stirling Engine: bit.ly/2lxilZU
It may be even cheaper with this link:
banggood.com/marketing-Science-Discovery-Toys/tid-3597.html?utm_design=107&p=X!272175853902016119

#Banggood13thAnniversarySale#
Shopping Guide:bit.ly/2jZH74f
Main Venue:bit.ly/2m0SBFq
Electronics & Tools:bit.ly/2m0SJVq
New Uers:bit.ly/2kgE5Jf

I am amazed how good this engine runs straight from the box.
If you buy one and accept the challenge please leave your results in the comments.

Ozark Trail Insulated Cup Holder
thingiverse.com/thing:3178429
Cup holder for stainless insulated 10 oz tumbler WalMart brand Ozark Trail No. 84-467
Making A (Stainless) Coffee Cup Better
youtu.be/EOctmlkUcJY