COOL WOOL | Bengali
Channel: Arvind Gupta
Date: 2015-11-30

This toy is almost magical. You will need an empty match box, a long needle and two colors of wool 60-cm long. Remove the cover and then weave pink wool by poking a long needle diagonally through the drawer. Similarly, poke the needle along the other diagonal to weave the green wool. Both the pink and green wool would be crisscrossing each other. Tie knots on both ends of the wool. Trim the tail ends of the knots. Finally fit the outer cover on the drawer of the matchbox and stretch both the ends of wool. Then ask a friend to gently move the matchbox from left to right and you will be surprised to see the color of the wool magically changes. The pink on the other side becomes green and the green becomes pink. 

This work is supported by IUCAA (www.iucaa.ernet.in) and TATA Trust (www.tata.com/aboutus/sub_index/Tata-trusts)

Credits:,Ashok Rupner,  Shivaji Mane, Jyoti Hiremath, Arvind Gupta, Vidula Mhaiskar, Pratham, Krishnanjan Mondal TATA Trust: Education is one of the key focus areas for Tata Trusts, aiming towards enabling access of quality education to the underprivileged population in India. To facilitate quality in teaching and learning of Science education through workshops, capacity building and resource creation, Tata Trusts have been supporting Muktangan Vigyan Shodhika (MVS), IUCAA's Children’s Science Centre, since inception. To know more about other initiatives of Tata Trusts, please visit www.tatatrusts.org