Brain training Matrix CalculationMake correct numerical formulas! Match Puzzle (Complicated ver.2)Puzzle using matches. Complicated version 2 ! Cross CalculationMake correct numerical formulas! Match Puzzle (Difficult version)Move two matches to correct the numerical formula! Brain FootprintTrace the footprints! Upside-down MatchMatch puzzle of upside-down numerical formula! Zigzag StairsSet the stairs and reach to the rooftop door! Match Puzzle (Division ver.)Puzzle using matches. Division version! Fractional MatchPuzzle using matches. Fractional number version! Match Puzzle (Complicated ver.)Mathematical puzzle using matches. Complicated ver Handstand CalculationCalculate with standing on your hands! Panel CalculationNumerical panel puzzle. Match Puzzle MultiplicationMultiplication puzzle using matches. Cycle ColorBrain exercise to choice bicycle colors. Match PuzzleMathematical puzzle using matches. Japanese Abacus SOROBANLet's calculate with the Japanese abacus ! <<Before