Wednesday cards
Each card introduces a Guardian, one science idea and a challenge to try this week. Families are welcome to read them together. Younger children may like to start with Buzz Science.
Carbon Captain
Out now
Glowthorn
Out now
Coolspire
21 Oct
Breezekin
28 Oct
Recylone
4 Nov
Season 1 recap
11 Nov
Where the Glowthorn number comes from. Ember, Global Electricity Review 2026: the batteries installed worldwide in 2025 could shift about 14% of the year’s new solar generation to other hours. It is an estimate, and figures are updated as new data arrive.


