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Our hands-on science approach sparks curiosity, fuels wonder and ignites inquiry for a memorable, highly engaged learning experience. 

Our products enable teachers in the home and classroom by simplifying prep time, adapting to multi-age and classroom groups, and making teaching easier, regardless of your science background.

For over 25 years, HST products and resources have been developed by teachers, scientists, engineers, and homeschoolers who together have decades of science education experience. Trusted and proven in the home and classroom alike.

Return Policy

You may return items you decide not to keep within 90 days of the purchase date, providing these items are unused and in their original packaging. You can download and print a copy of our Return Form for your convenience. (Please note that returned items that are either used or not in their original packaging may not be accepted or else incur a 20% restocking fee.)

  1. If we sent you the wrong item or you received a damaged or defective product, please call us at 406-256-0990 so we can correct the problem immediately at our expense. Please notify us within the 90-day period to be eligible for replacements.
  2. Returns must normally be received within 90 days of your original invoice. Please call 406-256-0990 if it is past 90 days.
  3. Returned items must be unused and with the original packaging. (This does not apply to defective or damaged items.) Items like microscopes must be packaged in a shipping box. Damage or shipping labels on the item box will incur a 20% restocking fee.
  4. Complete this Return Form if you wish to return an item.
  5. If you're returning a gift, include the purchaser's name and address.
  6. Either return packaged items to the address securely on the return form by the carrier of your choice or contact us for a prepaid UPS return label to be issued by email. The return label option will reduce your refund amount by $7.95 per shipping box and you will need to convey the package(s) to a UPS store or drop-off location. The return label option is only available in the 50 US States.
  7. We will refund your original payment method for the amount you paid for the items. Shipping charges are non-refundable.
  8. We cannot accept returns on live items or restricted chemicals. These items have item numbers beginning with LD or UN.

Please send all returns to:

Home Science Tools
665 Carbon St.
Billings, MT 59102