Electric see saw address Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India India Discover
LIFE SAVING ROBOT address Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India India Discover
Sound sensor computer address Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India India Discover
AIR POLLUTION CLEANER address Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India India Discover
Photograph printer address Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India India Discover