Multifunctional Learning Box ... Multi-Functional Digital Computing Learning Box is an interesting toy for early mathematical learning, children can also learn about time, and it comes with a clock to learn time, blackboard, chalks, and eraser for kids to drawing or writing. This tool helps kids to learn about basic arithmetic operations, such as addition & subtraction, multiplication & division. The sticks are all dyed in different colors, and the numbered blocks are very well made and sturdy.