Geometry: learning about shapes: prisms and pyramids and Platonic solids, oh my! -- Topology: mind-bending shapes: learn about squeezable, squishable shapes and surfaces -- Coloring maps like a mathematician: using the fewest number of colors possible, fill in a map so adjacent shapes are different -- Stitching curves: learn to create curves using only straight lines -- Fantastic fractals: a fractal is a shape that is similar to itself no matter how far you zoom in on one particular part -- Terrific tangrams: solve ancient Chinese puzzles by making different shapes from the same seven pieces -- Toothpick puzzles: create and solve brainteasers using patterns of toothpicks -- The game of Nim: learn the game of Nim and develop a strategy to win every time -- Graph theory: making connections: explore how points and edges are interconnected.