I bought DD one of those boxes that you have to put the different shapes into the right holes. So after I show her how it works DD tries it out. She figured out that all the shapes (if rotated the right way) will fit into the square hole. Then she decided screw it and figured out how to take the lid off the box and put all the blocks in that way and then put the lid back on and walked away.
I think she just decided "bah, mommy why do things the hard way?"