This 15" x 15" puzzle will challenge you cognitively and put a song in your heart.
 
The Lord is my strength and my song,
and he has become my salvation;
this is my God, and I will praise him,
my father’s God, and I will exalt him.
—Exodus 15:2 ESV
 
What creatures depend more on God’s strength than birds?
And, of course, He gives us all our songs.