It is on the insteructions/ piece of paper that comes with it. Since your asking this question I guess you threw it out by now.
You should buy your own not steal others.
Just buy your own HexBug.
In the hexbug case
If your hexbug nano has been sold to you second hand, or past down by a sibling, you may not be able to retrieve the code as you find it inside the tube on a slip of paper. I apologize if this question has been answered beforehand. IJay10
Studica.com sell the Hexbug Nano toy for $3.95, saving over 34%. Amazon.com also sell the Hexbug Nano for $2.75 which is sold by the company Dream Garden.
The Hexbug Nano is a battery operated children's toy that simulates the movements of a real insect. One can also purchase separate tracks, such as the Watch Tower, that they can put the Hexbug in and watch it move.
In the Hexbug battle bridge set I comes with the completely black Hexbug and the completely white Hexbug and they re most rareest Hexbug out
Its $9.99 CDN i think its $7.99 in USDDo a Google for 'Buy Hexbug Nano'. It will show all the sites selling it so youcan check their price.
mine is nr-AN-r68r-Opfa
Hexbug Nano, the robotic creature that behaves like a bug is a good way to learn more about gravity and other scientific things. The original Hexbug is a toy bug that reacts on sounds and pressure on the antennae. The Nano has a wide variety of colors and patterns, and some glow in the dark toys.
If you want to find information about a Hexbug Nano you can go to Amazon's website. There you will find the description of the product together with helpful customer reviews.
On a hexbug nano™, A long time. It recharges somehow when you switch it off and leave it.