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Minor Versionm

by Procheta Mallik


Variant of "Light - Newton Pencil Spinner", made with shallower notches

    • Use the cutter with utmost care. Always make sure you are cutting away from your body with only a max of 2 cm of the cutter blade exposed. Use a solid surface (floor or table) when you are using the cutter and do not cut in the air. While cutting, place the items as far away as possible from other parts of your (or others’) body.

    • Handle the scissor with care

    • Be mindful of the all pin

  1. Make 8 ‘V’ shaped notches (3-5mm wide) in the pencil with the help of a cutter.
    • Make 8 ‘V’ shaped notches (3-5mm wide) in the pencil with the help of a cutter.

    • These notches should be shallower , say half the height as in primary tactivity. i.e. above a quarter of the thickness of the pencil

    • To make the notches, place the cutter at an angle over the pencil and press down steadily so as to get a slanted cut

    • Make another cut with the opposite slant, about 2-3 mm away from the first cut so that the cuts meets and you get a neat `V’-shaped notch

    • Repeat this, so that you have 8 such notches in a straight line at regular intervals

    • Leave a gap of about 2mm between the notches

    • Cut different kinds of spinners/fans, using cardboard (rectangular, circular, star shaped etc), each having a diameter of 5-8 cm

    • Make a hole in the centre of the fan with a paper puncher

    • Place the hole of the fan in the all pin and insert the all pin into the eraser of the pencil

    • Make Sure there is enough room for the fan to spin.

    • With one hand, hold the pencil as far away from the notches as possible, but with a firm grip. In the other hand, hold the ice-cream stick piece very firmly and rub it back and forth, with pressure, on the notches. The fan should start to rotate fast and freely.

    • Holding the pencil too close to the notches / Holding the pencil too tightly or loosely

    • Holding the ice-cream stick too loosely and far away from the notches

    • Notches are not deep enough

    • Notches are too far apart or too few

    • Notches are not at the end of pencil where the eraser is

    • Fan is too big/heavy.

    • Hole in the fan is too small or not centred.

    • Not rubbing with optimum speed, pressure or vigour

    • How can you change the direction of rotation? Try applying pressure at different zones of the notches to see if you can change the direction. Also try rubbing from one direction and not the other.

    • Can you make it spin even if you hold the pencil vertically?

    • Which kind of fan goes the fastest?

    • Compare the speed of the spinners to those in the Primary Tactivity

Finish Line

One other person completed this guide.

Kailash NR

Member since: 05/02/2017

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