[Product Specifications]: Approximately 7.5 × 5.5 cm The packaging design will change from time to time. Also, there will be color differences when taking pictures. Apologies for any inconvenience. [Product Packaging]: Plastic Packaging A great learning tool for children to practice math. They can add, subtract, multiply, divide, and spell out the answers! You can add, subtract, multiply, divide, compare sizes, and perform other operations. Not only can children practice independently, but parents can also ask questions to test their understanding. Learn through play and achieve twice the result with half the effort! It's a pleasure that constantly changes. While children develop their intelligence, adults can't escape its fascination. An intellectual toy that has captivated hundreds of millions worldwide. The Rubik's Cube not only develops logical thinking but also strengthens practical skills and trains hand-eye coordination. Toy Description: A great learning tool for children to practice math. They can add, subtract, multiply, divide, and spell out the answers! For children's intellectual development --- cultivate hand (flexible muscles), eye (six aspects), and brain (spatial thinking) coordination and the ability to use clues to solve problems.