1 repeat the sequence of light up to 25 2 six color flash light of buttons bring funny 3 freely one lighting to bengin

  1.  Object of the game: repeat the sequence of lights, one by one, up to 25   2.  Turn on the game by sliding the black bar to either sound on/off   3.   To begin a game, press any one of the six colored buttons for one second   4    .Nano challenge will begin by randomly lighting one of the buttons   5    .Follow by pressing the same button with 30 seconds, once you do, nano challenge will add a second light to  the   patternand increase the pattern by one each time you follow correctly

    Product Size:6.3×4.3×1.4cm

    Blister with color card packing    48pcs/CTN    CTN Size:36*35*31cm    G.W:4.2KGS

training memory machine with NANO CHALLENGE