Moulty Linking Math Cubes Set of 100 Counting Number Blocks STEM Counting Toys Snap Linking Cube Math Counters for Kids LearningSPECIFICATIONS Brand Name: Miiu Jouet Material: Plastic Recommend Age: 3 6Y Origin: Mainland China CN: Shanghai Choice: yes semi_Choice: yes Hands on Way to Learn Numbers & Addition & Subtraction: Beginners practice part whole partitioning, building, tracing and writing on the front. while advancing learners flip the cards over, filling in the missing numbers to complete the equation Easy Design: These 0. 8inch counting blocks snap together with an