Celebrate the 100th Day of School with these differentiated 100th Day coding mazes, perfect for Kindergarten, Grade 1, and Grade 2. This STEM and coding activity includes sequencing, debugging, logic puzzles, coding grids, and create‑your‑own code challenges. Students practice early coding skills, directional arrows, problem‑solving, and computational thinking using 10×10, 7×7, and 5×5 grids. These 100th Day activities are ideal for math centers, STEM bins, morning work, early finishers, and w