Wooden logic puzzle LOCK FOR WINE

LOGIC PUZZLE (Accompanied by his unique solution)
Find a way (or your party friends too) to free the bottle by untying the knot – then you can enjoy the contents too!
Learn to untie knots, but also to create them.

BUILDING DIFFICULTY: ****
MEMORY DIFFICULTY: **

With 7 wooden pieces.

Size : 11 X 11 and height 18 cm.