Our eldest (16 months) loves to play instruments, practice phonics with magnetic letters, play on
www.kneebouncers.com, sort (we used plastic drawer organizers and plastic cutlery today - colored craft sticks are also a good sorting activity), playing on the park swing and slide, watching Stanley the Skeleton on
www.sciencewithme.com, reading books from
www.progressivephonics.com, dancing to any music, pasting activities, drawing on her magnadoodle, and painting with fingers or a brush.
We've got tons more ideas if you're interested!