Science Fair Sums

Quick sums before the science fair bell rings. Solve quick science-fair sums against the clock with pixel Mark Rober.

More Mark Rober games

Hop over backyard gadgets and grab spare gears.

A homemade kart with a thruster. What could go wrong?

Stack invention parts into one wobbly machine.

Quick sums before lift-off!

Answer fast, climb the prize ladder.

Solve sums, earn the encore!

Scare away ghosts with lightning-fast sums.

Compare the specs before the timer runs out.