It must be said that in use "water bomb", given the off-season, my daughter fun. If it is simply to inflate for a birthday, for example, the pleasure is the same. The child (or parent if any) can inflate the balloon itself without blowing in through a side of the pump (one for drawing water). Caution still not to over inflate! Since we received, only one ball could not be inflated (leak at the mouth) but it is a product strongly advise that children enjoy