
For grown-upsConnect measure, geometry, ratio and sequence to engineering problems
Your role: Design Leader
Mio builds, feels each failed run and races again, but you choose the final design
Record two failures, retest in the tunnel, then file the design
Episode 1The Wind-Powered Rescue CarFree to readThere are only three official runs. You lead the design from off camera while Mio builds and races. Read the crosswind through two failed trials and complete the final rescue car.
Episode 2The Day the Water Wheel StoppedMembersThe water still flows, yet the wheel that oxygenates the pond will not turn. More blades? Lighter blades? A narrower channel? Change one thing at a time and find the missing force.
Episode 3The Box That Bends LightMembersThe windowless corner stays dim even at noon. A beam enters the box—and the wrong spot flares bright. More mirrors? Or… check the light's road, one change at a time.
Episode 4The Bell That Must Not RingMembersOn contest night, the strangest order: a bell that must never ring far. The backstage crew needs the cue—the audience must not hear it. What decides how loud a sound is?Redesign failed inventions before they run out of control. Runaway inventions, races and repeatable experiments. Complete the town's abandoned invention notebooks with Mio.