I think sometimes it is me getting bored doing the same old stuff with the same old toys than him getting bored.
So true! DS will quite happily play with the same toys everyday - but I get bored!!

Sometimes I take a cushion off the couch, put a plastic changemat & towel on it & lie him on that on the floor (with his nappy off). He loves to kick around!

I also take his rocker outside & put it under the trees - he loves looking around outside. Once our grass is a bit healthier, I'm planning to put him out on a picnic rug instead.