Beside the cloud ramp there is a mysterious rainbow bend. Giggle designs three big turns and a little ramp — but the marble stops in the same place, again and again. The four friends decide to change one thing at a time. On the third try, the finish bell rings.
12 illustrated pages · About 7 minutesRead together
The Mysterious Rainbow Bend · Page 2 of 12
One, Two, Three — Go · Page 3 of 12
Stopped at the Second Bend · Page 4 of 12
One More Try · Page 5 of 12
I'm Not Playing Any More · Page 6 of 12
Looking for Clues Together · Page 7 of 12
All Right, Let's Try Again · Page 8 of 12
The First Change · Page 9 of 12
The Second Change · Page 10 of 12
Ding — The Finish Bell Rings · Page 11 of 12
That's Practice Makes Perfect · Page 12 of 12
Each friend brings one idea — and every one of them can be found in the story text below.
Turn a bend too sharply and the marble hits the side; make it gentler and the marble gets round.
1 · 2B · 3AThe steeper the slope, the faster the marble goes — and too fast, it may not make the turn.
5B · 6AStopping in the same place every time is the most important clue. Write it down and you can find the cause.
2B · 4Change only one thing each time, and you can tell which change actually helped.
4 · 5A · 5CEvery word from the picture version, laid out here — for reading together, printing, or listening with a screen reader.
Giggle's Surprise Bend
A Rollii & Friends Story
Ages 3–7 · Read Together
This is going to be the best route ever!
I'm going to design the surprise bend!
Let me get a good look at this bend first.
This bend has three big turns, and a little ramp at the end.
Look at the route first
Beside the cloud ramp there is a mysterious rainbow bend. Giggle pulls on the sports cap and plants the little flag beside the track.
One, two, three — go!
Mark where it starts
Giggle joins the track together, and Rollii sets the marble down.
It made it round the first bend!
Wait — it hit the side at the second bend and stopped.
Mark where it stopped
The marble stops at the second bend, and Rollii points at it.
Thud — stopped again. Let's try once more — this time it'll work!
Same spot
Giggle turns the track a little, then tries once more.
I'm not playing any more!
This bend is too hard.
Stopping isn't failing
The friends gather round, and Bubbo pats Giggle on the shoulder.
First, let's look at where the marble stopped.
The second bend both times. That's an important clue.
Let's change one thing each time, and write down what happens. Deal?
The clue is in the repeat
Rollii pats Giggle on the shoulder. Bubbo pulls on the goggles, and Mossy takes out the notebook. Giggle looks at everyone, then at the bend.
All right. Let's try again.
Change one thing only
Everyone gets out notebooks and paper, ready to write down the results.
First try — we laid the bend a little flatter. The marble went further, then stopped at the third bend.
Compare the two tries
Everyone stands by the track, eyes following the marble.
Second try — we set the third bend in firmly. The marble got through, then stopped before the little ramp.
Write down each change
They change one thing at a time and note what happens. On the third try, Giggle lowers the little ramp.
So it isn't that I can't do it — I just need a few more tries!
Practice brings progress
The rainbow marble sets off again, rumbling round the three bends, whizzing over the little ramp, and ringing the finish bell. Ding —!
That's what "practice makes perfect" means — try a few more times and you get better and better.
Then let's go again! I want to see if the marble can turn even more beautifully!
Wait — there's a little shadow in my goggles.
Try again
Everyone is laughing — but Bubbo is pointing at the track far away.
The track in this chapter is a marble run. Rollii and friends worked out where the marble got stuck — your family can run the same test at home.
The thinking behind the story — written for grown-ups and curious kids.
“Why Does My Child Give Up So Fast?” – Turning Frustration into ConfidenceWhat to say when your child wants to quit — and why trying again matters more than getting it right.“Another Broken Toy?” – Why Quality is the Secret to Logical ThinkingHow a single loose joint changes the way a toy behaves — and what children learn from noticing it.They are the four friends at the Marble Lab, each with one strength — coming up with ideas, designing, adjusting, and watching closely. Every chapter is these four steps working together.
"I'm going to be the fastest today!"
"The next stop is going to be even more exciting!"
"Look at the board — a steeper slope makes the marble too fast to turn."
"I saw it clearly — this time it held the bend, steady."
We'll email you the whole chapter as a printable PDF — about 8 MB, ready to print or read on a tablet.
