This metal puzzle from the ALBERT EINSTEIN series is inspired by the iconic equation E = mc². Your task is to separate two precisely crafted metal pieces and then assemble them back together. It offers a great mental challenge that develops focus and logical thinking.

Why you’ll love it:
- Mental workout: improves logic, patience, and spatial imagination.
- Relaxing effect: a great way to relieve stress and calm the mind.
- Quality build: durable metal for long life and a pleasant feel in the hand.
- Great gift: a unique surprise for fans of science, games, and puzzles.

The package also includes a brief information card in English about the person after whom the puzzle is named. Looking for elegant, smart, and compact fun? This puzzle is just for you.