Operation Box Toy for Kids 3+

The Game Method :

1.  take out some 4 color help mix of wood, let baby them respectively according
   to the color Pick, then count, red a few root, yellow has a few root and so on.
   
2.  the use of digital teaching baby arithmetic, such as: take out two green sticks
   Sticks, then took out three yellow, let baby count a total of a few root, and
   continually for the baby to read the 2 + 3 = 5.
   
3.  take out the corresponding digital computing symbol and the addition,
   subtraction, multiplication, and division blocks, with Numbers in mathematics,
   can help the baby to know number as soon as possible and the sign of operation
   way