I have straws and am collecting the rolls (Stephanie) Homemade tinker toys in the library - No budget? Use toilet paper or paper towel tubes and straws to make your own building components for a library center!
Simple Activities for Little Engineers ~ via Inner Child Fun . pool noodle marble run . not sure I am comfy with the ladder but could so do this outside using the backyard tree and fence as part of the track!
Balloon and straw tower. Competition and activity to promote group work, team work, etc. Give teams tape, balloons, and straws. Give them a time limit. The goal is to create the tallest structure that can stand alone- beginning or end of the year?