Fizzy Moon SandMoon Sand with a surprising fizz explosion! Let your child's imagination run wild with Fizzy Moon Sand! Not only does it strengthen their fine motor skills, but it's also perfect for small world plays and moulding with sand pit moulds. Plus, they'll love crumbling it with their fingers or a rake (and maybe even getting a little messy!). And for an extra fun twist, add vinegar to create a fizzy explosion. Any unactivated moon sand can be easily stored