"How to massage your baby." Baby is constantly building muscle and, just like us, that makes them sore. I would consider a message with some lavender essential oils to smell and candle lit. Maybe right after a warm bath and get baby relaxed for sleep.
Diy Cardboard Slide ~When I was a kid, we did this! ***One improvement: make the cardboard about a foot narrower than the stair width, so that there is space for the kids to climb up on the stairs rather than the cardboard slide.