A quick guide to Twitter speak.

Marcus met a new friend on the moon. This profile picture can be used when setting up a Twitter account for an alien that you might invite into your class.

Information and activity ideas based on Add Hox: Spaceman Scientist by Cleo Mussi.

Introduce children to Isaac Newton’s discoveries and develop listening skills at the same time with this entertaining radio play.

Dice templates for the ‘Let's find Marcus’ maths game.