http://www.mindware.com/lab-mice-and-find-your-way-gnome-set-of-2-a2-55006-1.fltr?xsaleSku=54002 Hey Puzzlers - buy my Lab Mice Puzzles and give them as gifts. You know, as one of those 'holiday' gifts for kids who are puzzle deprived. You'll instantly become 'the cool relative.'
I started them Saturday evening. Finished Sunday morning. In between, slept for 9 hours.
The graphics are good. I struggled with about 15 of them. Every so often, ads would pop up.
Some other good topology games:
Lines Numeric Fun
Colors the Addictive Game