Rocks game for the holidays

When the children are collecting pebbles on the beach, perhaps they would like to put them into rock families? Have a look at 'Rock Explorers; putting rocks into families'.

A 5 year-old's explanation of the Black family: “Mummy and Daddy Black are wrinkled with holes in but the children are smooth; that’s because they are young and Mummy and Daddy are old.”
Many more ideas for young children can be found in ELI Early years.