Fine motor, lifting objects with various tools including large tweezers, chop sticks.
Watch water turn to ice before your eyes! Such a fun science experiment
Blow paint monsters: Thin some tempera paint with water. Drop small amounts on paper, then use a straw to blow the paint across the page, making "monster" shapes. Add mouths and wiggly eyes.
Hands on water absorption activity for kids- I also like the idea of using the separated plastic containers for science- each student can have their own personal science station with easy storage!