One possibility for such symptoms is molluscum contagiosum. It presents as multiple, small, dome-shaped papules, often with a central depression or plug. Molluscum contagiosum is a common, benign, self limiting viral infection of the skin. It generally affects children and typically occurs in the 2-5 age group. I suggest you to get it examined from a dermatologist.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.