This may be part of play. In seizures there may be alteration in consciousness, uprolling of eyeballs, devaiation of mouth ,rhythmic tonic clonic movements of hands or falls or non responsive episodes or some times jerks. So better those of your child's episodic activity should be recorded by a video from your mobile and show it to your Pediatrician
for better understanding of your conern.
Dr E Venkata Ramana