Young Explorers, welcome!
Play, collect and invent with real pictures from space. Everything here is made for kids — with big buttons and friendly surprises.
Continue your mission
Your first mission is waiting
Start your space journey
Play a quiz round and win your very first sticker.
Today's mission
A new one appears every day
Draw a constellation
Connect the stars, name your creation and hear its story.
Who is learning today?
Pick a grade and we match the reading level, topics and quiz mission.
Clue hunts, comparisons and a friendly countdown.
What you will learn
Next sticker reward: Real Sticker Pack
Sign in to track your stickers toward your next reward.
Sign in to start your badge collection — every few stickers wins a new one.
My Sticker Board
Sign in and every sticker you win for answering astronomy questions correctly will be pinned here for you to keep.
Reward gallery
Real sticker packs, tote bags and mugs — browse what you can request, then pick the one you want most in Real Rewards. Each explorer gets one free gift.
Real Sticker Pack
Ten real COSMORA space stickers, mailed to your home.
50 more stickers to unlock
COSMORA Tote Bag
A sturdy canvas tote bag with our cosmic sky print, plus ten real stickers.
100 more stickers to unlock
COSMORA Mug
A ceramic COSMORA mug for hot chocolate while you stargaze, plus ten real stickers.
150 more stickers to unlock
Your Own Sticker
Design one sticker yourself — any planet or COSMORA AI, your finish, your caption.
50 more stickers to unlock
Rocket Launch
Steer your rocket, chain golden stars into a streak and dodge the space rocks in this quick challenge.
Cosmic Quiz
Look at real space pictures and guess the answer. Every correct answer earns you a sticker!
Constellation Studio
Connect the stars to draw your own constellation, name it, and COSMORA AI will tell its magical story.
Badge Case
See the badges you have earned and find out how to win the rest!
Real Rewards
Collect enough stickers and we post real stickers, then a tote bag or mug, to your home — free!