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Inner Stopwatch

💡Benefits

Sense when the train exits the tunnel

🎮How to play

Sense when the train exits the tunnel

❓Frequently asked questions

You estimate when the train will exit the tunnel without seeing it, which develops an internal sense of time and the ability to measure time in your head.

Yes, on MentalMath this game is free and requires no registration.

The child learns to mentally count the distance from the train's speed and to judge the exit moment by an internal clock.

Because it requires judging time independently, it is recommended from about age 7.

Yes, it works on phone, tablet and computer; 5 minutes a day sharpens the internal sense of time.

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