What immediately comes to mind is a common trait in gifted children, often listed amongst identifying characteristics, which is alternately described as "advanced moral reasoning", "well developed sense of justice", "moral sensitivity", "advanced ability to think about such abstract ideas as justice and fairness", "empathy", "compassion". Links to lists of gifted characteristics include several articles on the Davidson Database here and here, SENG (Silverman), SENG (Lovecky).

It is possible that your DD is developing theory of mind in which she is considering the feelings which others may have. It is also possible that the toys are simply more fun when mommy is part of the playtime.

One possible response may be to have a conversation in which you ask gently probing questions, to see what she is thinking. "Do you like the toys? Which one is your favorite? Are they more fun to play with if mommy is playing with you? Did you think I would miss the toys and feel bad? I've been saving them just for you and looking forward to you being old enough to know not to put the little pieces in your mouth. You know that, right? Would you like to have one toy today, and then two toys another day? "

She may surprise you with what she is thinking. smile