DIY Portable LEGO Kit with Free Printable Activity Cards. I like this for school, older kids can have activity cards to create planets/atoms/molecules/fractions, younger ones can practice fine motor skills.
Use Legos to build race lanes for cars - the post shows how to build a simple mechanism to release all the cars at once! For Fun Friday. Have different variables in each station, students can keep track of how each one affected their race?
How to Build a LEGO Toothless (Inspired by How to Train Your Dragon)