Tetra Puzzle giftguide Keeps the beverage hot for

Keeps the beverage hot for 11 hours and cold for 38 hours

Top carry handle with integrated daisy chain

Modular design

Can be washed with water and soap or sanitizing wipes with your devices inside

and creates a rugged exterior that will hold up to years of use

Tetra Puzzle giftguide Keeps the beverage hot forThe Tetra Puzzle is a beautiful and captivating mechanical puzzle composed of four identical pieces of stainless steel. It's a fascinating and mysterious challenge to understand and unlock. It activates your spatial reasoning and manual dexterity skills in a way that's immersive and deeply engaging. On first glance the Tetra Puzzle might seem fairly straightforward; in reality it's anything but intuitive. Solving it requires focus, attention, and an