macro photo of colourful children`s experiment using oil, water, food colouring and fizzing tablet

acid activity amusement beads bicarbonate blending bubble bubbles bubbly chemistry children childrens citric clear closeup colour colourful colouring demonstration drop easy effervescence experiment fizzing floating food froth fun glass gold golden hands hit ingredients kids learning macro mesmerizing motion movement oil photo reaction red relaxing science seen settling sodium tablet texture triggered using water yellow