How do I pay for my order? (CANADIAN ORDERS SEE BOTTOM)

We take American Express, VISA and MasterCard as well as public school purchase orders. 

What is the minimum order?
We require a minimum order of at least $30 for U.S. domestic orders, $100 for Canadian Orders and $150 for foreign orders. Foreign orders must be paid by wire transfer or international money order, please contact for more information.

What are the shipping costs?

   $30-250 is 10%, minimum $10 • $250-499.99 is 7%
   $500-999.99 is 6% • $1000-1999.99 is 5%
   $2000-2999.99 is 4% • $3000 and more is 3%

If the item has to be shipped by Air Parcel Post, truck, overseas, as a hazardous material, oversized, overnight or a similar situation, KELVIN® will charge an additional shipping cost.

Do you have a store, or are we able to pick the goods at a KELVIN® location?
KELVIN® does not have an actual store. Therefore, we do not make pick-ups an option. All goods are shipped via UPS and/or FedEx.

Are the items in stock?
Most items are in stock for immediate shipment. KELVIN® is considered a "brick and mortar" operation with over 20,000 square feet. If an item is out of stock, it is in transit to us and in inventory in most cases within 3-5 days.

How soon can we get the order?
In general, we ship within 10 business days. If an item is out of stock, we ship the bulk of the order and the remaining items when they become available.

Do you take phone orders?
No we do not. We would like to have a hard copy of your order faxed or e-mailed to us for our record (you may call in you credit card number if this is your concern).

How do you check the order status?
To check on the status of your order, e-mail us at

What about returns and return charges?
Email us at if you are concerned about returns. There is a 30 day return policy, and shipping costs both ways are NOT refundable.

What is not returnable?
Special orders, KELVIN® Labs, computers, software, video equipment, audio, classroom setup and furniture and large quantities of kits or special items. Please note, if you intend to purchase a large quantity of the same kit or product you should buy ONE first to see if it fits your needs.

Is there a restocking charge?
For returnable items, yes, there is a 15% restocking charge.

What is the time limit for return of goods?
30 days from the invoice date. Beyond that time, returns are not allowed.

What is the procedure for return orders?
You must e-mail, fax or call for a return authorization number (RMA number). Please provide us with the invoice date, order number and the name of the item to be returned. 

How do I ship my order back if returning it?
UPS is ideal since they have a tracking number. Please insure the goods if the value is more than $100.

How do I pack returned goods?
Pack in a way that is protective to the goods. Items which are carelessly wrapped and damaged during shipping will not be accepted.

Who do I contact for technical support?
Send an e-mail to Please allow 1 to 2 days for a reply.

What are the repair charges after warranty?
$60 US minimum charge for first hour (if needed - every hour after $60/hour). Software upgrade - KELVIN® brand software upgrade $60 (robotic arm could be higher depending on product cost).

I have a recommendation or complaint. Who do I send it to?
Please send an e-mail to The owner of KELVIN® makes sure he reads all emails and responds when needed.

What is the direct contact information for KELVIN®?
   Help Phone: 1-631-756-1750
   Fax: 1-631-756-1763
   Mail: 280 Adams Blvd., Farmingdale, NY USA 11735

Can I order from Canada?
Yes, although there is a $100 USD order minimum. Orders will be shipped from 1415 Janette Ave, Windsor, Ontario Canada N8X 1Z1.
All our poducts are available for Canadian school customers with the same pricing as our USA customers. Orders are accepted by fax, email, online. If customer support is needed, please contact us first via email at
   We are using USA currency for pricing and invoicing in order to avoid fluctuations of currency exchange. Payment in USD or Canadian funds - with the proper exchange rate - is ok. KELVIN® only accepts purchase orders from public Canadian schools; net 30.  
   Canadian shipping costs, in USD, are: $ 100- 500 at 12%, $ 501- 999 at 10% and $ 1000 or more at 8%. Shipping includes border crossing, tariff, commissions, and a brokerage fee (excluding GST). Canada GST #: 888715513RT001. PST Tax: We do not collect PST tax since we do not have a presence in Canada (you save).Terms and conditions are subject to change without prior notice.