Make a pulley at home to learn about simple machines.
Pretty much the best website ever: knockoff DIYs of retail decor. (Anthropologie, Ballard Design, Crate & Barrel, Land of Nod, Pier 1, Pottery Barn, Restoration Hardware, Urban Outfitters, West Elm, Williams-Sonoma and others). Truly some of the neatest ideas ever!!
Oh my I have taken care of so many babies this would have been so genius for! To calm a baby that needs comfort, fill a glove w/beans, pearled barley, etc, give baby a few pats with it, then leave it on the baby's back and slip quietly away. I wish I had known about this during all those years of patting and patting and patting and patting...what a great idea!