Top Edtech start-ups that are paving a new horizon for casual learning Top Edtech start-ups that are paving a new horizon for casual learning Here we have top ed-tech start-ups that are paving a new horizon for casual learning. advertisement Top Edtech start-ups that are paving a new horizon for casual learning Children actively seek to understand the causal structure of the world around them. Causal learning in childhood is a dynamic process of observation, explanation, and exploration within complex physical and social environments. Children’s learning is not exclusively the product of processing information individually; instead, learning is inextricably embedded in social activities and practices