?" Spark'18 ", an Innovation and Invention exhibition organized by Royal College, was held last week at the College premises, with Finance Minister Mangala Samaraweera as Chief Guest. There were more than 700 innovations on display at the event of which the was . "Spark '18" had over 700 innovations and inventions conceptualized by schoolchildren from the ages of 8 to 18. The Sri Lanka Army, Navy and Air Force too were involved in the exhibition.