Do you think that the age range of 2-4 implies that it becomes appropriate exactly on their second birthday, and becomes no longer appropriate right on their fifth?
I would assume that the range has blurry boundaries. And yes, I think it would shift it lower if you remove the counting element. I have no doubt that my own daughter, when aged 2.5 years old, would have struggled with it a lot more with the counting, than without. When she was 4.5 years old, she would have been a lot more bored with it if it didn't have the counting.
I suppose there are other ways of putting it as well. I used "dumbed down" first, but that could be interpreted badly, like "appropriate for dumber kids", when I really mean "younger".
But the point remains, you make it less challenging, make it take less cognitive effort, decrease its learning benefit, etc if you simplify it by removing the need to count and make it so the child only has to touch objects.
