Fizzing colours

Baking soda on a plate and coloured by food colouring vinegar is all you need for this exciting activity. Alex started pouring vinegar slowly, but when his friend joined, fizzing really took off

Baking soda on a plate and coloured by food colouring vinegar is all you need for this exciting activity. Alex started pouring vinegar slowly, but when his friend joined, fizzing really took off

A video posted by Sergei [InstaDad] (@earlylearningtoys) on Mar 4, 2016 at 9:47am PST