Ready when you are
For 8 to 10 year olds. Change
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Then
Ages 7–12
Array Builder
You have 24 tiles. How many different rectangles can you make?
Start playing →Ages 7–12
Lever Lab
The grown-up weighs three times as much. Where can the child sit to balance them?
Start playing →Ages 8–13
Density Tower
Can you stack liquids like a cake?
Start playing →Ages 8–13
Who Eats Whom
Take one animal away. What happens to all the others?
Start playing →Ages 8–13
Place Value Zoom
Multiply by ten. Watch which way the digits move.
Start playing →Ages 8–13
Ramp & Slide
Same sled, same hill. So why does one stop sooner?
Start playing →Ages 8–10
Chance Machine
Why do ten drops and a thousand drops look different?
Start playing →Ages 8–10
Bumper Test
How can a car stop without crushing its passenger?
Start playing →Ages 7–12
Kitchen Chemistry
Mix things from the kitchen. Which ones fizz, foam and change colour?
Have a read →Ages 8–10
Ink River
Can one black mark hide three colors?
Start playing →Ages 8–13
Cell City
Everything in here has a job. What breaks if you take one out?
Start playing →Ages 7–12
Tile Floor
Cover the floor. No gaps, no overlaps.
Start playing →Ages 8–13
Bridge Build
Build a bridge. Then drive a lorry over it.
Start playing →Ages 8–13
Particle Party
What are these tiny dots doing when nobody's watching?
Start playing →Ages 7–12
Mirror Fold
Where do you put the mirror so the two halves match?
Start playing →Ages 7–13
Tower Wobble
The ground is about to shake. Build something that survives.
Start playing →Ages 8–13
Atom Builder
Build me a carbon atom. Then break it.
Start playing →Ages 8–13
Angle Ranger
Steer the rover. You only say how far to turn.
Start playing →Ages 8–10
Microscope Focus
What is hiding in this blurry drop?
Start playing →Ages 8–10
Perimeter Pen
Can the same fence hold more garden?
Start playing →Ages 8–10
Net Folder
Which flat shape folds into a box?
Start playing →Ages 8–13
Gear Train
Turn this little wheel. Make that big one crawl.
Start playing →Ages 8–13
Heart Pump
Keep this person alive while they run for a bus.
Start playing →Ages 7–12
Fraction Kitchen
Three children, two chocolate bars. Cut it fairly.
Start playing →Ages 8–10
Ratio Kitchen
Can you double a recipe without changing its taste?
Start playing →Ages 8–10
Fraction Line
Can one half land on the same spot as two fourths?
Start playing →Ages 8–10
Crystal Seed
Can you grow a crystal without changing its shape?
Start playing →Ages 7–12
Boat Hull
This lump of clay sinks. Make it float.
Start playing →Ages 8–10
Plane Lab
Can one folded wing fly farther?
Start playing →Ages 8–10
Mirror Maze
Can you bounce light around the corner?
Start playing →Ages 8–13
Rate Racer
Three identical tablets. Make yours fizz out first.
Start playing →Ages 8–10
Kelp Shelter
How many creatures can a kelp forest shelter?
Start playing →A stretch
Ages 9–13
Osmosis Pool
The cell is drinking. Can you stop it before it bursts?
Start playing →Ages 9–13
Leaf Machine
Sunlight goes in. What comes out?
Start playing →Ages 9–13
Pulley Pull
Lift the heavy crate with one hand.
Start playing →Ages 10–13
Bond Forge
Some atoms share. Some atoms steal. Which is which?
Start playing →Ages 10–13
Octet Puzzler
Every atom wants a full outer ring. Can you make everyone happy?
Start playing →Ages 10–13
Build a Molecule
Every atom has arms. Join them up and see what you have made.
Have a read →Ages 10–13
Trait Lab
Two black mice. Why is one of the babies brown?
Start playing →Ages 9–13
Balance Scale
Take the same thing off both sides. Keep it level.
Start playing →Ages 10–13
Graph Racer
Fly through all five gates. You only get two numbers.
Start playing →Ages 9–13
Catapult
The target is far away. What angle do you fire at?
Start playing →Ages 9–13
Beak Island
Feed the birds for twenty years. What is left?
Start playing →Ages 9–13
Data Detective
Add one enormous number. Which average moves?
Start playing →Ages 9–13
Circuit Bench
One bulb is bright. Add another and both go dim. Why?
Start playing →Ages 9–13
Gas Lab
Squeeze the balloon. Where does the pressure come from?
Start playing →Ages 9–13
Solubility Sea
How much salt can one glass of water hold? What if it's hot?
Start playing →11 more playgrounds are being built for 8 to 10 year olds.