This wooden dominoes set for kids is an excellent addition to your classroom or homeschooling curriculum, family game night, or for stacking, toppling, or building! This set of colorful dominoes comes with 15 sets of double-six dominoes. This set has 6 sets, with each set includings 28 pieces. That's 168 dominoes in all. Each kit contains 6 different colored sets- blue, orange, red, yellow, green, and black. There are 2 sets of each color, except for black, which has 5 sets. Individual dominoes measure approximately 1.75" by 0.75". Everything is packaged in a plastic storage container, which will make cleanup easy. This dominoes set is a must-have in your school supplies this year and is a classroom essential! For over 50 years, hand2mind has encouraged hands-on learning and discovery, driving deeper understanding and helping children unlock their full potential. Hand2mind specializes in math manipulatives designed to help students learn by doing. From early math to middle school math, hand2mind has you covered with products designed to enhance learning in the classroom and the world around us. Through hands-on exploration and discovery, we strive to find new ways to encourage students in math practice, literacy activities, STEM education and more!