This set of colorful building blocks is made of premium plastic materiel, safe and . They can improve children's skills, such as learning skills, thinking skills, shape recognition, problem solving, skills, social skills. It is an educational tool for children. Features -Material: Plastic - Learning while playing arouses children's interest in learning, expands their thinking, and accelerates children's understanding ability in playing. - Combine 200 pcs, a variety of colors, rich colors let children learn to recognize colors. - Use for number sequencing, sorting, patterns as well as algebraic practice, measuring in grams and centimeters, balancing, manipulatives, and be used as a building , build your own castle! - Our plastic blocks are a valuable tool for counting, sorting, recognizing colors, and identifying patterns. - Set up different models and observe from different sides so that children can discover and explore. Package list: 200 x Teaching Aids