Earth Day Recycling STEM Activities Bundle!Engage students on Earth Day with these Recycling Earth Day STEM Activities! Students collect and build projects from various recyclables. They must use money to budget how much of each item to purchase before designing and building their projects. (We included an easier and more difficult money/budgeting worksheet for each Earth Day STEM Activity).A letter to parents is included to help facilitate the collection of recyclables.The STEM ProcessEach acti