How it works
Read it. Collect it. Play it.
Read it
Each idea gets one page: what it is, why it works, what it lets you predict, and how tests ask about it.
Collect it
Element cards are as rare as the element is on Earth: oxygen is common, gold is legendary.
Play it
In Lab Duel you win a challenge by playing the right idea and explaining it in one sentence.
Four ways to shine.
Move your pointer over a card to catch the light.
Common
The core ideas every course needs.
3 in every boosterRare
Famous discoveries, with a silver frame and holographic shine.
1 in every boosterLegendary
The biggest ideas in science, framed in gold foil.
About 1 in 10 boostersMystery
Brushed metal and real gold foil. Planned as a single hidden pack card.
1 in the world (planned)Pick a subject.
Card of the week.
Photosynthesis. Plants use light to build sugar from carbon dioxide and water, and give off oxygen.
The surprise: Most of a tree's mass comes from the air.
Try before you buy.
Print a free card and a challenge, and play a round with a friend. Get the printable sample ›