Give someone the chance to feel like a genius from ancient Greece with the Project Genius Grecian Trick Lock Puzzle.

Inspired by the clever designs of Theodorus of Samos, this puzzle brings back one of history’s most secure locking mechanisms in a brain-teasing form.

It’s a great pick for anyone who loves solving things that look simple but aren’t!

You’ll receive a beautifully crafted lock and key, but turning the key won’t be enough...

This trick lock is full of surprises, and it’s up to the puzzler to work out what’s really going on inside! 

Great for ages 8 and up, this is a fun way to give someone a puzzle with a twist of history.

It looks great on display, feels nice in the hand, and delivers a satisfying challenge that doesn’t rely on screens or instructions.

  • Based on the original Greek warded lock design  
  • Includes metal lock and key with hidden trick  
  • Suitable for ages 8 and up with a 3/5 difficulty level  

Wrap one up for the curious mind in your life - it’s a clever gift that’s sure to get them thinking.

Project Genius Grecian Trick Lock Puzzle Reviews

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(5) Lynette - Verified Customer

Speedy delivery of my order.Im so happy with the products,which are Christmas presents.Good variety to choose from. ...

(5) Monika - Verified Customer

Great little gifts, arrived quickly &; items look great for grandkids Christmas stocking fillers!...

(5) Sue - Verified Customer

Good products, easy transaction, fast delivery...

(5) Jill - Verified Customer

What a great company Cool Things Australia is. My order arrived very quickly, within 3 business days, and the items were even better quality than expected. Will definitely use them again! ...

(5) Anonymous - Verified Customer

Easy to navigate the website Package delivery in a very timely manner, well packed Items seemed to be excellent quality but they won't be truly tested until Christmas as they all gifts The free gift of the yellow, plastic, sticky thing(?) is tacky...suggest you add an item of real value or don't include it at all - detracts from the overall quality...

(5) Lyn - Verified Customer

Bought three items which I know will delight their recipients. So many other great 3d puzzles and interesting toys to choose from. Quick arrival in the post, and my order also came with a cute little gift! Thank you. I will definitely be ordering again!...

(5) Anonymous - Verified Customer

They did a marvellous job quick postage excellent packaging and speedy shipping time awesome will use them again...

(5) Anonymous - Verified Customer

Thanks...

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