Yes, you can also go ahead to put it as your FB cover or print on t-shirt (for own use).
Parents and teachers can also go ahead to print it out for kids to colour too.
I suggest to colour a rainbow too like this:
UPDATE 24 Apr 2015:
I was interviewed by news on channel 8!
I also received activity sheets made and compiled by Adora Tan from Gingerbread Mum!
It is targeted for lower primary school children to let them learn about our founding father through play and you can download the PDF file here.