Not only sand castles, but much more! Clowns, musketeers, egg heads, famous people, animals of all kinds … the only limit to building with sand is imagination and a few small tricks to use.
But how to build a really strong sandcastle?
The formula reported by Scientific Reports, according to Daniel Bonn and his team of scientists from the University of Amsterdam is:
Use only 1-2% water compared to sand
Take some dry sand
The type of sand is important: the finer the grains, the more stable the structure will be
Last secret of sand castle professionals: they actually cheat a little. They often use river sand, which contains a lower percentage of clay. And it resists more …
After reading the tricks, here are some photos taken with some ideas for building an imaginative sand castle on the beach together with your child (and not just sand castles …).