Get your brain in shape with these STEM puzzle challenges. Children solve brain-teasing puzzles that test their knowledge of shapes, critical-thinking, fine-motor skills and more every time they play with STEM Explorers Brainometry. Explore the 10 STEM challenge cards for critical-thinking puzzles that turn shape pieces into 2D and 3D building blocks of victory. Manipulate six differently shaped pieces into solutions that require a keen eye for stacking, sorting and geometry. Children build essential STEM skills including pattern-recognition, problem-solving and more. After they master the set's progressive STEM challenges, children can even build their own. Set includes 24 shapes and 10 double-sided STEM challenge cards. Learning tool is ready for homeschool or kindergarten classroom use.