???? SAFE AND DURABLE: 4 in 1 metal brain teaser puzzles are made of high quality thick and durable alloy material. Smooth and burr-free, no need to worry about scratches, perfect for long-term play.
???? INCLUDES SOLUTION VIDEO: Please don't mention "solution" at the beginning, truly the most fun thing to do is to explore, not the result.
???? COMPACT SIZE: Our jigsaw puzzle assembly puzzle toy comes with a beautiful clear plastic box with a compact design. It is lightweight and portable, easy to carry and store. You can play it with your family and friends during family gatherings or office leisure, and have fun competing who solves the puzzle first.
???? Brain Teaser Game Puzzle: The brain teaser toy helps to train your eye-hand coordination and problem solving skills, expanding your mind while improving your reasoning skills. It also tests your creativity, observation, spatial sense, reasoning ability and memory, relieves stress and keeps your brain focused.
???? LEARN SPATIAL REASONING : The positions of these seemingly simple puzzle balls are very different. There could be over 100 wrong angles and only one is correct. You have to take everything apart and figure out how to put them back together.