What does this mean- the baby was like an octopus grabbing at all the cans on the grocery store shelves?

This comparison suggests that the baby was very active and curious, using its hands to explore and reach for everything within its grasp, much like an octopus uses its tentacles to investigate its surroundings. It conveys a sense of chaotic energy and a playful spirit, as the baby eagerly interacts with the various items on the shelves. The imagery highlights the baby's enthusiasm and natural curiOSity about the world around it.