બહેન, કહે ને, વસ્તુઓ પડ્યા પછી ઉપર કેમ જતી નથી? (Bahen, Kahe ne, Vastuo padya pachi upar kem jati natthi?)

"Sister, Sister, Why Don't Things Fall Up?" is a fun and interactive story that explores the concept of gravity through a conversation between a curious little brother and his knowledgeable older sister. The story helps children understand the scientific principle behind why things fall down rather than up, making learning fun and easy.