My baby is almost 9m she isn’t interested in peekaboo or hiding games we’ve never really played them with her because she was never that into them she does give a small smile but all in all not really interested, she can’t clap her hands or use her stacking rings, she’s only interested in putting them in her mouth and chewing them and has never tried to stack them even tho we show her how, we also try to show her how to clap her hands and she just doesn’t do it is this normal or should I be concerned?