How about lily pads which are 1 square big - A frog can land on it, and jump over it like it is a frog - but it never moves or gets removed from the board - I would have to look a little more, but 15-20 randomly on the board would be a start.
... and of course, mini-froglet is still a good idea
(gem) Lyst til et hurtigt spil der garanteret ikke tager mere end to timer? Start et nyt spil af eget valg, vælg tiden for spillet og sæt Tiden til 0 dage / 1 time, Bonus til 0 dage / 0 timer og grænsen til 0 dage / 1 time. (TeamBundy) (vis alle tips)