Marble Races with a cheap pool noodle (occupies the kids for hours.) Did this, but instead of cutting the pool noodle, the marble is small enough to fit inside the full noodle to roll down. Then can use the noodle for other things too!
Rainbow Bubble Snakes - Need: Half a waterbottle, rubberband, bubbles (dishsoap/water), food coloring, sock. Steps: Dip sock held by a rubber band on the water bottle in food coloring in dish soap and food coloring and blow. Have fun!
Make one special photo charms for you, compatible with your Pandora bracelets. "Knock the Balls!" DIY Kids Nerf Target Game Tutorial via Frugal Fun 4 Boys - Knock the Balls Down Nerf Target Game - Super boredom buster, and a fun party idea too!