【Find out who's the best master solver】

- Nice challenge to both adults and teens. It can make your brain sharper, develop intelligence, Challenge your mind and patience.

- It requires careful observation and thinking, analyze its internal structure when assembling. Looks simple but need lateral thinking or engineering mind to dismantle and reassemble them back.

- Take this set of brain teaser to share with your friends, families or colleagues.It's also a favorite table game for cafes and coffee shops.

- Fun holiday gifts Instead of sugary treats and snacks in stockings and Easter baskets, try gifting your kids and teens with these brain testing games. These puzzles can get children away from phones or other electric device.

- Small parts. Not for children under 14 yrs. Children should be used under adult supervision.