
US 4,378,116Spatial Logical Toy1983
PD-99 · US 4,378,116
Spatial Logical Toy
The cube exploded into its eighteen elements, figures 1 through 12 — the best-selling puzzle in history as pure line work.
- Inventor
- Patented
FinishSize
Total29 €
PD-99 · US 4,378,116 · Filed August 3, 1981 · Budapest, Hungary
Pairs well with
Full collectionCommon questions
- Is this a real patent?
- Yes — the original drawing as filed at the U.S. Patent Office, cleaned and printed. Public domain by law.
- How is it shipped?
- Printed in Europe on 200 g/m² matte paper. Small sizes ship flat, 50 × 70 ships rolled in a tube. Tracking by email.
- What if it arrives damaged?
- Send a photo within 7 days and we reprint and reship it free.


