The lesson describes Harit receiving a robot named Moyo for his 4th birthday. Harit enjoys playing with Moyo, making it walk and turn. Over time, Harit grows bored of Moyo and it gathers dust in storage. Years later, when Harit looks for Moyo, he is shocked to find that Moyo has not changed but he has grown much taller. His mother explains that while Moyo stayed the same, Harit is the one who has grown up.