In the past few years, we have covered plenty of fun marble machines here. This Motorized Perpetual Motion Marble Machine is also worth a look. It uses a DC motor to drive the lifting mechanism. It is powered by 2 x AAA batteries.
More gadgets like this: here
This marble machine has 2 lifting mechanisms that slowly raise the marbles and put them on the track. You can find out this item on Etsy.
[HT]
**Disclaimer: Our posts may feature aff links. As an Amazon Associate, we earn from qualifying purchases. Please read our disclaimer on how we fund this site.
