Why the Sea is Salt

Have you ever wondered why the sea is salty? It all began with two brothers, Nathan and Garry. Nathan makes it to Mann's Island. But will he leave with the grinder?

If your kid likes

Nature

Water Life

Ages

Learning areas

Language and Literacy

Play

Don’t go yet!

Start your free trial now and get 20% off your first year with code CURIOUS_20 at checkout.

Monthly

Unlock Hundreds of Videos, Games and Books.
100% Safe & Ad-free. ~~$7.99~~$6.39/mo

Start free trial

Annual

Unlock Hundreds of Videos, Games and Books.
100% Safe & Ad-free. ~~$5.42~~$4.33/mo Billed $51.99 annually

Start free trial

Please note: This offer is only available through the links above. Discount applies for the first 12 months of your subscription. The usual price will apply following this.