My 15MO has engaged in repetitive actions for as long as she could control her movements it seems. For example, tonight I gave her a metal jar with a plastic lid and wooden spoon while I was cooking. She sat on the floor and repeated the following sequence 25-30 times:
1. take top off jar
2. put spoon in jar
3. take spoon out of jar
4. put top on jar
She did it in exactly that order with exactly those motions, until finally I flicked the spoon from her in a joking way to see what would happen. She thought it was funny and wasn't upset by my breaking her pattern. But then she went right back to doing it, picking up from where she left off.
She does these competitive patterns frequently - we have one where I pick her up near our front door and she turns off the light, then on, then opens the latch, then rings the bell, over and over and over and she wants to do it in that pattern exactly.
I hadn't considered that this may be abnormal, but my husband tonight said "does she have OCD or something?" and then I was thinking maybe it wasn't. Is that just normal toddler behavior or something weird? This is her only weird thing - she's very outgoing and normal otherwise. Thanks!