Marshmallow & Toothpick Geometry Cards – Printable STEM Building Challenge

Marshmallow & Toothpick Geometry Cards – Printable STEM Building Challenge Turn simple materials into big learning moments with these Marshmallow & Toothpick Geometry Cards! Kids use marshmallows and toothpicks to build 2D and 3D shapes, helping them practice engineering, spatial reasoning, and geometry concepts in a fun, hands-on way. This set is perfect for STEM centers, engineering days, classroom challenges, or homeschool activities. What’s Included Printable geometry cards for 2D and 3D shapes Visual diagrams of each structure Clear building prompts High-resolution PDF (8.5" x 11") The 24 cards include the following shapes: 2D Shapes Triangle Square Rhombus Rectangle Parallelogram Trapezoid Pentagon Hexagon Heptagon Octagon Nonagon Decagon Star 3D Shapes: Cube Triangular pyramid  Square pyramid Pentagonal pyramid  Hexagonal pyramid Octahedral pyramid Triangular prism Rectangular prism Pentagonal prism Hexagonal prism Octahedral prism Skills Kids Will Practice Fine m