The game is mainly for primary school grade two，corresponding the second grade seventh unit of
primary school mathematics of Human education--counting. Colorful turntable rotates up.A random
number appears in the small ball in the bottom.Fill up 8 balls in the right order.With the completion
of a round of games, the rotation speed will be accelerated.You should not only know the correct
order of the figures, but also accurate operation.
QD learn aims at teaching through lively activities and happy learning.