Project Genius Constantin Telephone Wire Brain Teaser Puzzle

This puzzle was invented by Jean Claude Constantin who has been undoubtedly one of the most productive puzzle inventors of the past 30 years. His unique brain teaser puzzles are known for outstanding designs and challenging solutions.
Test logic and creative minds with this cool yet simple brain teaser. These brain games are perfect for passing time, fidgeting, and avoiding gadgets and electronics. Wooden game with interesting logical thinking and perfect for development of brain.

Calling all geniuses! You may need to phone a friend to help you untangle the handset from its base. 

Difficulty: 4/5