Put your own brainpower to the test as you attempt to open the lock in this delightful wooden mechanical puzzle.
Albert Einstein’s brain 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.
How will your fare against this fascinating brainteaser?
Difficulty Rating 2/5.
Product dimensions: 10 x 7 x 1.5cm.
Manufacturer Recommended Age 8+
Standard delivery £3.45 (Large Letter size £2.75). Free Delivery on orders over £30