Home / Shop / Birthday / Strongest Sperm Birthday & Shit has been added to your basket. CheckoutView Basket Strongest Sperm$5.00 A6 300GSM Greeting Card with a Coloured C6 Envelope. Blank inside for your personal message. Strongest Sperm quantity Add to basket Categories: Birthday, Friendship, Love and Anniversary Related products Wine Industry $5.00 Add to basket Birthday & Shit $5.00 Add to basket Dad Legend $5.00 Add to basket Adulting $5.00 Add to basket