GIANTmicrobes promo codes

11 codes and 6 deals checked at GIANTmicrobes checkout by the PickedBox Team. Best right now: 20% off your order.

Lead offerBest offer first · commission does not change the orderPickedBox Team·Last verified October 8, 2026

20% off 20% off your order Older code from the PickedBox database. Not yet confirmed at checkout. Code · Worked Oct 7, 2026 · listed since Oct 2026 Show code

16 more GIANTmicrobes offers

Best offer first. Commission does not affect the order.

Up to 40% off Up to 40% off selected products Listed for selected products with no end date shown. Code · listed since Nov 2026 Show code

20% off 20% off molecules and neurotransmitters Listed for the molecules and neurotransmitters plush range with no end date shown. Code · listed since Nov 2026 Show code

Up to 20% off Up to 20% off selected products Listed for selected products with no end date shown. Code · listed since Nov 2026 Show code

15% off 15% off your order Older code from the PickedBox database. Not yet confirmed at checkout. Code · Worked Oct 7, 2026 · listed since Oct 2026 Show code

10% off 10% off your order Older code from the PickedBox database. Not yet confirmed at checkout. Code · Worked Oct 5, 2026 · listed since Oct 2026 Show code

Code Promo code, discount amount not stated Listed with no discount amount or end date given. Code · listed since Nov 2026 Show code

Code Seasonal sale promo code Listed by two coupon sites as a seasonal sale code with no amount given. Code · listed since Nov 2026 Show code

Code Special offer on selected products Listed for selected products with no amount given. Code · listed since Nov 2026 Show code

Code Discount on selected items Listed with no amount or end date given. Code · listed since Nov 2026 Show code

Up to 50% off Save up to 50% on themed display boxes and curated sets No code needed. Savings apply to bundles in the Boxes & Bundles section. Deal · Worked Oct 6, 2026 · listed since Oct 2026 Get deal

30% off 30% off Kids Gifts No code needed. Applies to items in the Kids Gifts selection. Deal · Worked Oct 5, 2026 · listed since Oct 2026 Get deal

23% off 23% off Crawlers No code needed. Applies to plush in the Crawlers category. Deal · Worked Oct 5, 2026 · listed since Oct 2026 Get deal

15% off 15% off your order when you join the VIP Club Offered for signing up by email and SMS. Deal · Worked Oct 6, 2026 · listed since Oct 2026 Get deal

15% off 15% off boxes and minis No code needed. Listed as ending December 1, 2026. Deal · Worked Oct 4, 2026 · listed since Oct 2026 Get deal

Up to 10% off Up to 10% off GIANTmicrobes deals No code needed. Prices as marked on the site. Deal · Worked Oct 8, 2026 · listed since Oct 2026 Get deal

GIANTmicrobes discount programs

VIP Club

Sign up by email and SMS for new product drops and member offers; the site showed 15% off an order for joining in October 2026.

VIP Club at giantmicrobes.com

Educational discounts

Teachers and schools buying for the classroom can sign up for educational discounts on the Teachers page.

Educational discounts at giantmicrobes.com

Brand Ambassador Program

GIANTmicrobes runs a brand ambassador program you can apply to join.

Brand Ambassador Program at giantmicrobes.com

Expired GIANTmicrobes codes

Codes that no longer work, kept with their dates. The code itself opens after the click, and so does GIANTmicrobes.

Was 15% off 15% off Family Health products Family Health products only; Expired code · worked until Oct 6, 2026 Show expired code

Questions about GIANTmicrobes codes

Does GIANTmicrobes have a coupon code?

Coupon sites list several GIANTmicrobes codes, most for selected products or categories. None has been confirmed at checkout by PickedBox yet, so check the terms next to each code.

How can I save on GIANTmicrobes plush?

Themed display boxes and curated sets save up to 50% compared with buying pieces one by one. Joining the VIP Club by email and SMS can also bring a discount on an order.

Does GIANTmicrobes offer a teacher discount?

Yes. The Teachers page has a sign-up form for educational discounts for classroom purchases.

How much is shipping at GIANTmicrobes?

Shipping is calculated at checkout from the size and destination of the order. US orders ship from Lebanon, Indiana by Ground, Two Day, Overnight or First Class Mail.

What is the GIANTmicrobes return policy?

Unused items in original packaging with hang tags can be returned within 30 days of delivery. The refund or credit is issued less the original shipping and handling costs.

GIANTmicrobes shipping, returns and payment

Shipping: US orders ship from Lebanon, Indiana by Ground, Two Day, Overnight or First Class Mail (usually 5-10 days); cost is calculated at checkout by order size and destination. Most countries are served, with UK and European shoppers sent to regional sites. Checked October 8, 2026.
Returns: Unused merchandise in its original packaging with hang tags can be mailed back within 30 days of delivery with a copy of the packing list. Credit is issued less the original shipping and handling costs. Checked October 8, 2026.
Payment: Credit cards are entered on a secure checkout page after you add your shipping address. Checked October 8, 2026.