Puzzle B* : Remove the ring.
Puzzle O** : Move the ring to the other side.
Wire Restriction*** : Remove the ring.
Puzzle Model 4X**** : Remove the 4 rings.
It was September 1989 when we produced our first Eureka 3D String Puzzles A, B, C and D.
To celebrate this event, we offer a special collectable box, with 4 Eureka 3D String Puzzles inside:
1 Puzzle anno 1989: Model B*
1 Puzzle anno 1994: Model O**
1 Puzzle anno 2009: Wire Restriction***
1 Special design made for this box: 4X****
For our price of 20 years ago !
This box will be available from september 2009.
Limited edition: 1500 pcs