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fingertip gyro pen

1 pen (no gifts) buy 1 get 1 free (real hair 2 pens) buy 1 get 2 free (real hair 3 pens) buy 1 get 3 free (real hair 4 pens) buy 1 get 4 free (real hair 5 pens) 10 matching batteries (without pen) 1 pen (5 refill for free) buy 1 get 1 free (real hair 2 pens) plus 5 refill buy 1 get 2 free (real hair 3 pens) plus 5 refill buy 1 get 3 free (real hair 4 pens) plus 5 refill buy 1 get 4 free (real hair 5 pens) plus 5 refills special refill for gyro pen (10) special refill for gyro pen (5)