Help your fellow builder by leaving your feedback based on these three criteria:
- Originality: How original is this - never seen before?
- Building Techniques: How much skill do you think the creator of this MOC has, in terms of building technique?
- Details: Express how much you like the details of the build.
Your feedback is only shown to the creator as well as yourself. It is not available for other users to see. The creator won't see your user name.
Last Updated . Click "Updates" above to see the latest.
The abacus, also called a counting frame, is a calculating tool that was in use in Europe, China and Russia. The exact origin of the abacus is still unknown.
My model contains 169 pieces.
LEGO abacus is a simple calculating tool. It's a useful learning device for the visually impaired, as well as for anyone who wants to learn the roots of the modern calculator.