The best toy for your kid may be a box
"Skip the costly electronic games and flashy digital gizmos. Pediatricians say the best toys for tots are old-fashioned hands-on playthings that young children can enjoy with parents — things like blocks, puzzles — even throwaway cardboard boxes — that spark imagination and creativity.
‘A cardboard box can be used to draw on, or made into a house,’ said Dr. Alan Mendelsohn, co-author of a new report on selecting toys for young children, up to around age 5."
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Go Back to the Basics
American Academy of Pediatrics December, 2018
"The more we know about early brain development, the more we understand the need for play that is based on human interaction," Dr. Healey said. "There is no screen, video game or app that can replace the relationships built over toys."