Would the laptop be easier to use if you got a separate mouse? (not sure if you're using mouse or just the touchpad on it) In that case I would think ABCMouse.com could work? ... you can try it out for free. I got a membership couple months ago and my 4-year old loves it and I am getting ready to start my 2.5 year old on it too. You can customize the levels.
but aside from the computer, at that age ... how about Vtech games like the old Vtech V.smile sytem or if you can find somewhere Leapfrog Clickstart? ... the games for those two systems are great for math, logic, shapes, alphabet ... I had no idea my then freshly 3-year old could do basic addition until I once secretly watching him playing on the Vsmile.
Or another favorite for both my boys is Leappad (the touch pad gaming system from Leapfrog) ... we have the previous version from last year. They now have a new one out. ... DS4 started playing with it when he got it at 3.5 ... but DS2.5 started playing with it about a month ago and won't let it out of his hands! I had no idea a 2-year old could be smart enough to use it and actually understand the games (they are for 4-7 year olds) ... but he clearly does.
Or you could get a cheap Android based tablet and get her android apps. That's another favorite of my 2.5 year old. His fine motor skills are really lacking (he still won't even attempt to use utensils) ... but he does great with the touchpads and I've seen a lot of improvement in fine motor area thanks to all the "touch toys"
