A Mystery!

I turned on my camera this morning and discovered alot of pictures had been taken, and not by me. Join me now as we analyze each one to discover who could have been playing with my camera.
This one is a close up of a toy dinosaur. Now this toy is owned by Steven, but Hannah was playing with them yesterday. Conclusion: none possible yet...
Here we see another dinosaur, and off to the right some legos. The legos are a jet engine Steven built and attached to a McDonalds Happy meal lego toy he got a few days ago. Steven's math workbook can also be seen on the table behind the legos. Conclusion: none possible yet...
Here we find a shot of Stevens Lego man relaxing in the driver seat. Both of his hands are visible, so he is not the one operating the camera. Conclusion: The lego man is innocent...
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Case closed.