We do a mix of stuff. Tummy time on her activity mat, then turn her over
so she can play with the toys; I'll usually play music while she does
these things. The next time, I might play games with her, like "I'm
gonna getcha!" type games, or the Itsy-Bitsy-Spider. Another time, I'll
set her up in her Bumbo and just talk and sing to her. I also found a
cute, educational type video channel
on Youtube that teaches the alphabet, numbers, shapes, and a bunch of
other things; all of their videos are songs and they use bright colors
and lots of repetition. DD loves it, and will be entranced for a couple
of songs. I also like to read Dr. Seuss books to her, she likes the
bright colors.
She'll only play for about 20-30 minutes at a time now at 11 weeks.