Push Ups LEGO GBC

Great Ball Contraption with 7 ball Push Ups in an axle frame. Based on the Serpentine by Akassin, runner-up in the Eurobricks TC23 GTBC contest. This compact machine has an option to switch to hand crank and has a reroute to the inbox. With this it is possible to run it by hand as a stand alone machine.

Serpentine by Akassin:
https://www.youtube.com/watch?v=zzqOW7fox_I

Free instructions available on Rebrickable:
https://rebrickable.com/mocs/MOC-134402/Berthil/push-ups-gbc/

Видео Push Ups LEGO GBC канала Berthil van Beek