Finding some coloring pages to keep my son busy in summer holidays.
They may be useful for you too : ) They are all for boys!
1. Lego figures
source: http://fastseoguru.com/superheroes/print-out-lego-super-heroes-coloring-page-for-boy
2. Transformer
source: http://www.coloringnumber.com/2013/07/printable-coloring-pages-for-boys-transformers-5437/