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.
DIY Lego Marble Run Game : Love this simple diy toy that kids can make. What a fun way to play with Lego's! Pre-school children love playing with our marble run and making different obstacles for the marbles