This is a MEGA set of over 140 images of items you might need for a science experiment. This set includes both color and black and white images.
pot of hot water
UPDATE: liter bottle halves
PLUS safety goggles, magnifying glasses, scales, clothespins, paper clips, stop watches, masking tape, straws, and deflated balloons in several different colors.
Please link to my store page if using this product in a commercial product.