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Published on Aug 29, 2012
Make two cuts at 45-degrees in plastic bottle. Cut a CD in half and inserted these pieces in the cuts of the bottle. Glue them to make two vanes. The bottle should be free to spin on a cycle spoke. On placing the bottle under a ceiling fan it will spin beautifully http://www.arvindguptatoys.com/toys/S... This work was supported by IUCAA and Tata Trust. This film was made by Ashok Rupner 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