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Sep

Major VersionM

by Kailash NR

Video Overview

    • Use the scissors with caution.

    • Do not ingest the glue.

  1. Trace the inner circle of the CD on a white sheet using a pencil. Trace the outer circle next. Cut along the outer circle as shown in the picture.
    • Trace the inner circle of the CD on a white sheet using a pencil.

    • Trace the outer circle next.

    • Cut along the outer circle as shown in the picture.

    • You can use a pen or anything else available to make the marks.

  2. To cut the inner circle: Fold the circle in half, and cut the semi circle that is formed as shown. After folding, try pressing down only in the centre near the small circle so that you don't form crease lines.
    • To cut the inner circle:

    • Fold the circle in half, and cut the semi circle that is formed as shown.

    • After folding, try pressing down only in the centre near the small circle so that you don't form crease lines.

  3. Take a set of crayons/sketch pens, and make a colour wheel on the circle as shown. The colours are V - violet, I - indigo, B - blue, G - green, Y - yellow, O - orange, R - red. VIBGYOR - The pattern of colours found in a rainbow.
    • Take a set of crayons/sketch pens, and make a colour wheel on the circle as shown.

    • The colours are V - violet, I - indigo, B - blue, G - green, Y - yellow, O - orange, R - red.

    • VIBGYOR - The pattern of colours found in a rainbow.

  4. Fill in the colour wheel with the respective colours. Now stick the paper wheel onto the CD with the help of glue. Look at step 7 for different patterns.
    • Fill in the colour wheel with the respective colours.

    • Now stick the paper wheel onto the CD with the help of glue.

    • Look at step 7 for different patterns.

  5. The marble needs to be placed in the middle of the CD. Apply glue along the inner circle. After attaching the marble, let it dry for a while.
    • The marble needs to be placed in the middle of the CD.

    • Apply glue along the inner circle.

    • After attaching the marble, let it dry for a while.

  6. Push the marble into the hole after applying glue and hold it there for 5 - 10 seconds. Turn around the CD, and apply glue in the back to make it more stable. Some other patterns that you can make instead of the VIBGYOR one.
    • Push the marble into the hole after applying glue and hold it there for 5 - 10 seconds.

    • Turn around the CD, and apply glue in the back to make it more stable.

    • Some other patterns that you can make instead of the VIBGYOR one.

    • You can create your pattern - try using a lot of colours!

    • Hold the top and spin!

    • Make sure that the inner circle hole is not too big or not too small - as the marble will either fall out or not fit in at all.

    • If the marble falls out during a spin, just use some more glue and stick it back in.

    • Do you observe different results when using lighter colours instead of darker on the colour wheel?

    • Is there a difference in result if you use the same colours as in the regular one but not in the pattern on VIBGYOR?

    • Try using a coin instead of a marble - what will happen?

    • Spin the device slow, and then fast - what differences do you notice?

    • Using a stopwatch, measure how long the CD spins for.

    • If you use a smaller CD, does it spin for faster and longer?

Finish Line

Suchitha Vishwa

Member since: 05/02/2017

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