I was searching pinterest for things to do with a 9 month old and this came up a lot - Mixing sugar-free jello (with some food dye) and putting some random toys in it. The ideal outcome is for your little one to have a great sensory experience. I see the promise. I really do.
But, my kid decided to eat the jello and smear it all over him- resulting in a blue little smurf baby.
Ahh well. Time to look into other activities for him to do.