Most mechanical puzzles are about finding the right move. Rainbow Runner is different. It's all about timing.
The puzzle features six marble tracks, each with a different length and color. Your goal is to release all six marbles so they reach the finish at exactly the same moment. Sounds simple—until you try it.
If even one marble arrives too early, it flips a switch that blocks the remaining marbles from finishing. Success depends entirely on your ability to judge the perfect release timing for every marble.
According to designer Oskar van Deventer, the puzzle is already quite challenging with just two marbles. Three is a serious achievement, and getting all six to finish together may be beyond what most people can accomplish.
What surprised me most is how incredibly addictive this puzzle is.
My son has access to my entire puzzle collection but is usually completely indifferent to mechanical puzzles. The moment he spotted Rainbow Runner on my desk, he couldn't stop playing with it.
Unlike traditional puzzles that may require hours of thinking before you have an "aha!" moment, Rainbow Runner gives you instant feedback. You make an attempt, immediately see what went wrong, adjust your timing, and try again. Every run teaches you something, making it hard to stop after just one more attempt.
And even when you finally manage to get all six marbles to finish together, the challenge isn't over. Repeating that success consistently takes practice, precision, and excellent timing. Mastering Rainbow Runner can easily become a challenge that keeps you coming back for days.
If you're looking for something completely different from traditional mechanical puzzles, Rainbow Runner offers a unique combination of skill, timing, and endless replayability. It's one of those rare puzzles that is just as entertaining to watch as it is to play.
Designed by Oskar van Deventer Size: 172 × 162 × 70 mm
