Effin' Ninja

The wee man was happily playing with his Marble Run today when all of a sudden he became frustrated that two pieces couldn't fit together.  He consulted the instructions and then shouted "Poo.  It should fit".

Moments later he slammed the piece down and muttering "F&*$ing piece".

Nikki burst into laughter (caught on the NEST cam), insisting that he can't use such words.  I think he got the message.  As did we.

Note: He's never sworn before