Each activity comes with a how-to-guide as well as the key skills your students will be covering. Material lists for each activity are also included. These STEM challenges have been designed to be used within a PreK and Kinder age range. However, these activities are also fun and can be adapted with minor tweaks for an older age range. Accessibility and Suitability All materials needed can be found at home or school. No special trips to the store should be needed. These challenges are ideal for: Classroom - Individual,pairs and small groups Homeschooling - Fun and interactive challenges, little tweaking to enhance more creativity and math After-school clubs- Fun, Educational learning 10 STEM Challenges Shape pictures Building bridges out of recycled materials Taking sides Making butterflies out of tissue paper Crackle painting Milk painting Symmetry pictures Color walk Mixing primary colors