Science/Sensory
I know, it's messy, but other than that, why not let your toddler paint with their feet!
Put large sheets of paper out on the floor and have the children, 2 or 3 at a time, dip their feet in fingerpaint and make a group footprint picture! Be sure to have some soapy water near by for clean up!
Construction of Knowledge: Thinking and Reasoning Goal CD-1
With a simple DIY stethoscope, your kids can listen to each other’s or their pets heartbeats.
Scientific Exploration and Knowledge Goal CD-8