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Box size: 18.5 * 7.5 * 4.5cm
10 digit board: 10 * 8.3cm
Single digital board: 8.3 * 5cm
Pen size: 11cm
Writing board: 21 * 14cm
Box size: 18.5 * 7.5 * 4.5cm
10 digit board: 10 * 8.3cm
Single digital board: 8.3 * 5cm
Pen size: 11cm
Writing board: 21 * 14cm
