actually, bb at this age is a super fast learner. i teach sammi to shake hands at 10pm when she is very sleepy and so surprise that she remembers in the next morning.
play more with you bb and you can teach him/her many things. we play lego, just taking them out and put them back. she enjoys it very much. and when she finish, i ask her to put her legos back in the box, she will pick them up one by one.... even the one that hidden underneath the sofa which i didn't realize!!!