Here, 15 activities to help them master these and ... little one's very first giggles or quick chuckles when they're 4 months old, and true out-loud laughing will likely come closer to 6 months.

Find out why singing and silly games are a brilliant way to bond with your baby. What's in the bag? A fun game to play using a selection of everyday items. Playing with peekaboo A simple game of ...