India, Oct. 22 -- A spoon that looks like a flat, 0.1-inch bookmark can be folded into a teaspoon, tablespoon or precise measuring spoon. Who would've thought that this innovative design could win hearts and money, too! The origami-inspired invention, named Polygons, took Kolkata-born designer Rahul Agarwal to Shark Tank USA in June, where he secured a $3.5M (approx Rs.33.03 crore) deal. When the episode aired last week, a clip of his pitch went viral, crossing 1.5 million views.

Made from food-grade thermoplastic and hydrophobic silicone, with small magnets sealed inside, the spoon has brought attention to the National Institute of Design (NID) Ahmedabad alumnus and his invention. "In 2014, a senior at NID told me not to bother redesign...