Description: Four wooden board with different numbers,that's ideal for teaching and subtraction as well as a number of other mathematic skill Each board can insert a number,it is an useful toy to make teaching fun Insert number randomly to improve numerical skills Great way to encourage early use of Mathematics,imporove children's interests of counting Material: wood Size Chart: Wood Board: 29.5*6.7*1.3cm/11.61*2.64*0.51inch Number Piece:5.2*3.5cm/2.05*1.38inch Package Includes: 4 x Wood Board 18 x Number Piece Note: Do not let children put it into mouth for fear of swallowing Please allow slight deviation of measurement for manual measure The color might be slight different from the picture due to some factors, such as lighting effect
