No. 19 · Coloring page

Chain Reaction Machine Coloring Page — Nari's Invention Lab No. 19

Free printable Chain Reaction Machine coloring page. Chain Reaction Machine, a black-and-white coloring page from Nari's Sparkling Invention Lab featuring the original characters Nari and Toto. The black-and-white page you color in, simplified into large closed areas.

NEW · Color online

Color this page right now

No printer needed. Fill areas in one click, pick suggested colors, and come back later to continue.

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Color it with the reference beside you

The left page is the finished version you look at while choosing colors. The right page is the one you print and color. Each downloads separately.

Left · Full color

Finished full-color illustration of Nari and Toto in the chain reaction machine scene

Look at this to plan colors

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Right · Coloring pageYou are viewing this

Black-and-white coloring page of Nari and Toto in the chain reaction machine scene

Print this one and color it

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The file downloads as soon as you press it.

Activity guide for this page

Recommended age: Ages 7–11
Estimated time: 25–40 min
Difficulty: Medium
Areas to color: about 200

Coloring order

Start with Nari placing a ball on the wooden ramp, the long ramp and the seesaw base. A light brown suits the wood.
Give the blue, yellow and red domino blocks after the seesaw, the rope on the pulley and the bell each a different color.
Last, color the ball, Toto, the sparkly sound lines, the grass and trees behind and the building.

Questions to talk about

After the ball rolls, which part do you think moves next?
What faces will Nari and Toto make when the bell finally rings?
Have you ever lined up dominoes and knocked them down?

Take it further

Think about a chain-reaction machine and plan a three-step chain with a book, a pencil and a ball, with a grown-up. First draw the order as pictures on paper.

Age and time are rough guides for a child coloring alone with pencils or crayons; every child is different. The area count is an estimate counted from the line-art image.

About this image

The black-and-white page you color in, simplified into large closed areas.

Printing and coloring tips

Print on A4 or Letter in portrait to keep the original proportions.
Keep the finished version open beside you while you color.
Use slightly heavier paper with water-based markers so the ink shows through less.
Fill the large areas first and leave the small ones for later.
The finished version is only a suggestion. Any colors you like will work.