When Puzzle boxes bite back

[TheJuggler]

Here's a fun little project I came across. Granted it's not really a puzzle box, but it is a fun piece of mechanics, and clearly a box that does not want to be opened.

http://blogs.yahoo.co.jp/d061333/27803627.html

[hadem]

This kind of machine/box goes by two names. First is "The Most Useless Machine Ever" and the second is the "Leave Me Alone Box". Normally the box just flips the switch and closes the lid but this one clearly does more I know you can buy kits if you want to build your own Useless Machine.

[AFKAN]

Now that's funny

[Gdamatov77]

very cute