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Contact Thonk

We take pride in our customer support. We are constantly praised publicly and privately for offering great support and documentation to our customers. We consider this just as important as how we select products and parts, pack kits and ship in a timely fashion.

But naturally with DIY products mistakes can happen during construction, so to avoid confusion we hereby spell out our…


Kits and products from Thonk Ltd are sold with the following terms and conditions. If you don’t understand or agree with these terms and conditions then you should not purchase or construct kits or products from Thonk Ltd.

  1. You, the customer, agree that once the supplied item is unpacked in any way and contact is made between any part of it with any tool (including but not limited to Soldering iron, snips, pliers, screwdriver , wire cutters) that the successful construction, safe powering and necessary calibration of that kit is purely your responsibility.
  2. While the successful construction, safe powering and necessary calibration of that kit is purely your responsibility we do provide build support and debugging advice purely as a gesture of goodwill. We provide this wherever possible, within the limits of our experience and knowledge and at the speed our busy work schedule allows. We cannot guarantee you will end up with a working device but we will naturally replace any parts that we jointly identify as faulty. Your patience and co-operation with us is vital in ascertaining whether parts are faulty due to a build error or not. You will need a digital multimeter.
  3. We only provide build and debugging support on kit purchases where the parts as supplied by Thonk in the kit bag are used in the build and assembly. If you solder or use other parts not provided in the kit bag as supplied we are unable to provide any build or debugging support.
  4. The customer is responsible for the safe handling of any parts which come in packaging warning of sensitivity to ESD (Electrostatic Discharge) – These parts can be damaged without any physical contact at all.
  5. The customer is solely responsible for ensuring the finished kit will not damage other equipment that you connect it to. Damage to other equipment is your responsibility. We are not responsible if you injure yourself or others, or damage any of your property or others property during the construction or use of kits purchased from Thonk Ltd.
  6. You, the customer, must use your real email during registration. Communication from Thonk Ltd will always be made via the email supplied when registering or via your PayPal email. If you enter a fake or incorrect email during registration or at any point after registration you break our Terms and Conditions and could miss vital information about the products you have purchased such as build documentation updates. It will be obvious to you if you accidentally entered an incorrect email as you will not receive the following emails; Confirmation of registration on Thonk Ltd, confirmation of orders placed, confirmation of orders shipping. It is your responsibility to enter a correct email and to check that email responses from Thonk Ltd are not being sent to spam.
  7. You must whitelist our email address in your email system to ensure that our emails to you do not go into your spam folder.
  8. If you choose or are assigned a tracked shipping method then you the customer are solely responsible for tracking the parcels progress online to avoid missed deliveries. If a parcel is returned to Thonk Ltd due to this then you are responsible for paying the return shipping cost. We can also offer a refund on the products if they arrive back in good condition in this instance, but not on the original delivery cost. YOU AGREE TO NOT RELY ON YOUR NATIONAL POST OFFICE SERVICE PUTTING A CARD THROUGH YOUR DOOR TO INFORM YOU OF A MISSED DELIVERY ATTEMPT.
  9. If you chose a shipping method which is not designated “Signed For™” for a UK delivery and your parcel does not arrive then we reserve the right to wait 3 weeks until issuing a replacement.
  10. If you chose an ‘Regular Airmail’ shipping method for any delivery outside the United Kingdom and your parcel does not arrive then we reserve the right to wait at least 6 weeks before issuing a replacement.
  11. We do not offer or perform repairs of any type, under any circumstance. Any returns must be arranged in advance. Partially or fully constructed modules should not be returned to Thonk Ltd.
  12. If you buy a kit as a gift or sell it to a third party (in incomplete, partially complete or fully complete form) it is your responsibility to make the person receiving the kit aware of these terms and conditions.
  13. Thonk Ltd reserve the right to refuse to sell products to companies and individuals involved in the defence and security industries.
  14. If you discover any parts or items missing in your order you must inform us within 30 days of receipt of the order to be eligible for replacements.
  15. Refunds on purchases made from outside the European Union are discretionary and reviewed on a case by case basis. All refunds must be requested within 40 days of the shipping date. Goods should never be returned without following the process laid out below. All returns made without following the process below will be returned to sender unopened, the sender also then becomes eligible for the return postage cost. We can only refund you if the physical item is returned. The customer must pay the return postage cost, but if we deem the returned item as faulty we can discuss reimbursing some or all of the return postage cost.
  16. Refunds and returns on clothing products are only available within the UK – Clothing must be returned within 2 weeks of purchase – Clothing must be returned unopened unless there is a discrepancy in the label size and actual size. We can only refund you or provide a replacement if the physical item is returned.
  17. We take our customers privacy seriously. We will never sell or give any information you provide to us to a third party. We adhere to EU laws on the protection of customers personal data .
  18. We do not store or collect our customers financial details. We securely accept credit and debit card or PayPal payments without capturing or storing card or any other financial information on our website. Payment information is collected by PayPal using a secure inline frame inside our website.
  19. PO BOX addresses (including ‘Parcelstations’, ‘Postnummer’ addresses or any services where the parcel is accepted at a third party location, e.g. shops or hotels) are used entirely at the risk of the customer. If your PO BOX does not accept parcels which require a signature OR does not accept parcels from couriers (FedEx, UPS etc) please do not enter it. If a parcel is rejected by a PO BOX address we will wait for it to be returned to the UK and cannot intervene in the process. The customer is always liable for the reshipping cost due to a failed PO BOX delivery, regardless of the reason given, and even if the original shipment was sent with no shipping cost paid by the customer.
  20. If you arrange the delivery of your order to a location or country you are only visiting temporarily (e.g. you are on holiday or vacation or a business trip) we will not take responsibility for the parcel if it doesn’t arrive until after you have left that location. We will not refund or replace in this situation. Please always contact us in advance before trying to arrange this type of delivery. We cannot arrange redelivery of a failed delivery if you are no longer present in the delivery location. If the parcel is being held in a location local to the intended delivery location it is your responsibility to travel to that location to rescue the parcel. If the parcel is destroyed by the carrier due to no one picking it up we cannot refund or replace.
  21. Customers making purchases from inside the European Union have the following rights:
    1. To cancel any order within seven days of payment or within seven days of receipt of the goods (whichever is the longer).
    2. Refund of payment will be made after the goods are returned.
    1. You must Email us within seven days of payment or within seven days of receipt of the goods (whichever is the longer) and clearly state:
      1. Reason for refund or return
      2. order number (e.g. #1234)
      3. Payment method.
      4. Payment transaction ID (Paypal or Worldpay) OR time/date/reference of UK BACS Bank transfer.
    2. We will respond within 1-21 days with either
      1. An acceptance of your refund or return request and a unique RMA number (e.g. RMA****)… OR
      2. A request for further information…. OR
      3. A refusal (e.g. if the request is made outside the stated return period)
    3. If your refund or return request is accepted your goods should be addressed to the return address on the original parcel. Please note  addresses containing these locations are no longer valid: VANTAGE POINT or CHURCH ROAD.