LOS ANGELES — In the early, chaotic days of the COVID-19 pandemic, transitional-kindergarten teacher Elizabeth Lam despaired. She saw distracted faces when she gazed across the virtual divide to ...

But it seemed the more toys I got, the less interested he was in any of them. It turns out he isn’t alone: According to a 2018 study, toddlers play longer and more happily when there are fewer toys to ...