Professor Puzzle - Einstein's Lock Puzzle Jigsaw Puzzle

• 3D Brain Puzzles by Professor Puzzle
• Contains a wooden puzzle lock with an attached metal key
• Develop your problem solving skills
• Can you slide the locks pieces around and unlock the padlock
• A perfect gift for any Physicist or Mind Puzzle enthusiast

Einstein's Number Puzzle was the key to unlocking some of the world’s greatest mysteries. From electromagnets to GPS technology and satellites, Einstein’s theories paved the way for countless scientific developments and revolutionary inventions. Put your own brainpower to the test as you attempt to open the lock.