M MOCHOHOME Montessori Wooden Children's Mathematics Enlightenment Logarithmic Game Board Fosters children computing power 10 pillars according to the order from low to high installation, stepwise design can promote the development of the baby's senses Colorful plastic circles to throw that in accordance corresponds to the digital of building blocks, and the careful throwing circle movement can promote baby's brain development, stimulate baby's brain and computing power Pillar is higher, the greater the number, the circles is more, colorful ladder combined with throwing circle movement, let the children learn knowledge in the interesting games Includes: ten pillars, 20 pieces wood blocks and 55 circles