Payment Methods

We offer the payment methods that are listed below. The cost for shipping and handling may vary depending on the payment method you choose for your order.

Payment with wire transfer ("Überweisung")

Please make your payment according to the information (IBAN and BIC) that are contained in your order confirmation.

Open invoice

Payment by open invoice is only available for universities, schools, companies in Germany. For more information please switch to the German version of this page.


Please make your PayPal payment according the information contained in your order confirmation.

Credit Card

Payment via credit cards is possible. We do use the provider SumUp to do the transaction. You need a smartphone to recieve a SMS with a link/URL to a unique website, were you can enter your credit card details.
In case you want to pay via CreditCard, please note that in the field for remarks and include your mobile phone number!