Wood craft sticks: a simple but effective tool for counting activities! Wood craft sticks are useful for counting activities. 4 1/4″ X 3/8″. Educational products, manipulatives, and kits incorporate applied math and science principles into classroom and homeschool-based projects. Teachers in pre-K, elementary, and secondary classrooms use educational kits, products, and manipulatives alongside math, science, literacy, and STEM curriculum to demonstrate concepts and real-world applications through hands-on activities.