This is so much fun for the kids!

Making a "Dirt and Worms" Sensory Activity for your kids is fairly easy.  All you will need is:

coffee grounds (for the dirt) Cheap coffee will work. :)
cooked spaghetti noodles (worms)
raisins (bugs)
some grass, flowers, weeds, etc.

I just put all of this into a large tupperware, and my boys loved it.  They threw the worms up in the air, and scattered coffee grounds EVERYWHERE.  I think I developed an eye twitch, trying to keep it away from the carpet, but their smiles were worth it!

This activity is pretty baby-friendly (if you leave the grass, flowers, and raisins out).  Most of the "ingredients" are edible and non-toxic.  Just watch out for baby eating the pasta, and getting a caffeine rush.  Mine had to sample the spaghetti, and seemed to be disgusted by it, but kept eating more.  Mom of the year here.  Yep, that's me.  I let my kid eat coffee coated spaghetti.

I got this idea from my favorite kid-friendly learning blog: Fun at Home with Kids