Could also be used in a spelling center.Lego-out the words. Lego learning games - exploring Lego and play dough. This is a great activity for sensory play, imaginative play, letter recognition and sight words.
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
32 Fun DIY Backyard Games To Play (for kids & adults!)