Fireworks!

The chemicals inside fireworks produce different colours when they burn. Can you colour the picture according to these chemical symbols?

Ba – Barium (Green) Sr – Strontium (Red) Mg – Magnesium (White) Na – Sodium (Yellow) Ca – Calcium (Orange) Cu – Copper (Blue) K – Potassium (Pink)

Use the slider on the left to zoom in and out of the image.