Eyedroppers

"Doctors use them to put drops in your eyes to make you see better."
"Scientists use them to make potions."
"Scientists use them to mix chemicals and to do experiments."

These tools take more concentration than what we have used in the past.  They are harder to manipulate and control.  Trying their fine motor skills with water, the children were asked a question.  How many drops of water fit on a penny?

First the children made predictions.  We talked about the importance of making a best guess and not coming up with a random number.  Below are the results of our first official experiment!