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1.3

Minor Versionm

by Suhail Ahanger

Introduction

Glue two straw pieces between two cardsheets. Glue them in a slanted manner so that they make an angle of around 90 degree with each other. Pass given cotton thread through the straws and join the threads to make a loop. Now pull the threads one by one to make the cardsheets move forward/upward.

    • Be careful while using scissors and paper cutter.

  1. Cut out the cardboard piece as shown in the picture. You may draw any picture of your choice. You may draw any picture of your choice.
    • Cut out the cardboard piece as shown in the picture.

    • You may draw any picture of your choice.

  2. Cut out another piece of cardboard butterfly copying from first one Cut out another piece of cardboard butterfly copying from first one Cut out another piece of cardboard butterfly copying from first one
    • Cut out another piece of cardboard butterfly copying from first one

  3. Glue the cut straw pieces on back side of one of the cardboards. Glue the cut straw pieces on back side of one of the cardboards. Glue the cut straw pieces on back side of one of the cardboards.
    • Glue the cut straw pieces on back side of one of the cardboards.

  4. Glue the other cardboard on the first one such that the two cardboards overlap each other. Cut the outer portion of straw up to the edge of butterfly Cut the outer portion of straw up to the edge of butterfly
    • Glue the other cardboard on the first one such that the two cardboards overlap each other.

    • Cut the outer portion of straw up to the edge of butterfly

  5. Cut the thread into two equal halves and insert through the straws After the threads are through the straw tie bead to one end of each thread If beads are not available then make 5-6 knots on one end of each thread so that the thread does not completely come out at other end of the straw. You may also use any other object like a cardsheet piece or ice cream stick piece as a stopper.
    • Cut the thread into two equal halves and insert through the straws

    • After the threads are through the straw tie bead to one end of each thread

    • If beads are not available then make 5-6 knots on one end of each thread so that the thread does not completely come out at other end of the straw. You may also use any other object like a cardsheet piece or ice cream stick piece as a stopper.

  6. Make v - shaped notches near the ends as well as at the middle of ice cream stick. Tie the two threads at the two ends of the ice cream stick. Tie the two threads at the two ends of the ice cream stick.
    • Make v - shaped notches near the ends as well as at the middle of ice cream stick.

    • Tie the two threads at the two ends of the ice cream stick.

  7. Attach another thread in the middle of ice cream stick and make a loop. Attach another thread in the middle of ice cream stick and make a loop. Attach another thread in the middle of ice cream stick and make a loop.
    • Attach another thread in the middle of ice cream stick and make a loop.

  8. Hang the toy using the loop made and pull each thread one by one. See the butterfly climbing up. Hang the toy using the loop made and pull each thread one by one. See the butterfly climbing up. Hang the toy using the loop made and pull each thread one by one. See the butterfly climbing up.
    • Hang the toy using the loop made and pull each thread one by one. See the butterfly climbing up.

    • If the straws are not fixed firmly to the cardboard they move inside while pulling the strings thereby not allowing the straw to hold the thread.

    • The thread is not rough enough to make butterfly climb.

    • The straws are not slanted enough to cause a friction between the thread and straw.

    • What happens if you keep the straws and thread parallel to each other. Does the butterfly go up while pulling the threads.

    • Stick the straws at different angles and observe the difference in force required to make the butterfly climb up the thread.

    • Instead of thread what if you use a smoother thread like very thin wire or nylon fibre? Think of how friction plays huge role in keeping things move arond.

Finish Line

Suhail Ahanger

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