420 Science is a modern online smoke shop offering a curated selection of high-quality cannabis accessories. Lead by a female CEO, we focus on a friendly, informative, and trustworthy shopping experience. We’ve been in business since 2004 which has given us a long time to figure out which products work best so you don’t have to. Whether you’re a seasoned consumer or just beginning to explore the benefits of consuming cannabis, we’re here to guide you to just the right products to enhance your session. 

We also provide custom printed stash jars for every type of brand from small dispensaries to large international names. We’re the only custom jar company that decorates our jars by hand in our warehouse in Austin, TX. Custom 420 Jars are a way to promote your name with a product customers love and use every day.

420 Science

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You know how momma said it was rude to stare? Well, even she wouldn’t take her eyes off this monster jar. One-and-a-quarter pounds of pot will have that effect on a person. And your dad? He’d be impressed by the tight seal created by our gasket lid. Say what you want about him, he appreciates good craftsmanship.

Specs:

Machine Blown Glass
Permanent Glass Decals
Holds: 1.25 lbs (567.0 g) | 2.5 gal (9.5 l)
Height: 13.0” (33.0 cm)
Width: 9.0” (22.9 cm)

2.5 Gallon Jar

We are proud to introduce our redesign of the Kargo water pipe! The Kargo 2 is everything we loved about the old piece along with some great additions like percs, a better fitting lid, and an overall innovative design that lets you have access to your juiciest nugs right where you need them. The smaller chamber and sidecar mouthpiece make this Kargo super stable and reliable. The Kargo 2 Hammerhead perc is a two-sided inline oriented showerhead that effortlessly pushes water and bubbles to the sides of the chamber. You can rip as hard as you want on the Hammer and it will not slow down. This Kargo 2 comes protected by a one year warranty, if it breaks we'll replace it*.

Specs:

Built-In 420 Jar
Hammerhead Perc
Height: 7"
Base Width: 4.5"
Takes 14mm male accessories
Protected by 1 year Kargo 2 Replacement Plan - details below
Protect your Kargo with the Kargo Replacement Plan.

You'll have peace of mind knowing that if your pipe breaks under normal usage or even exotic usage for that matter, you'll receive a replacement piece, shipped to you for free.

This plan protects your new Kargo against common breakages and unexpected accidents that can potentially ruin your entire life. Coverage is for one year, starting from the date of purchase.

Replacing your smashed to bits, daily driver will be a breeze. Just email us a picture of your broken pipe. We'll confirm your proof of purchase and send you a replacement right away.

That's it.

The Kargo Replacement Plan covers one-time replacement of your Kargo water pipe. Does not cover broken accessories including bowls, domes, nails, or downstems. One time replace meet only, replacement item is not covered by a new warranty. Photo of broken Kargo must be submitted to help@420science.com before a replacement can be shipped.

Contract Delivery: Physical Certificate
Benefits: One free replacement of an identical or similar product of equal or lesser value for up to 365 days from purchase date.
Coverage: One Year of Protection. Replacement includes all items that came packaged with the original pipe.
Length of Coverage: 1Year from date of purchase
Support: 888-420-5277 or help@420science.com

Warranty must be purchased at the same time as the product

Kargo from 420 Science / 1 Year Warranty

Resin Preventer

There’s something about a water pipe coated in resin that just makes us feel dirty. That’s why we change our water every day. But that’s not all. Not by a long shot. We also use RezBlock. Just a few drops help prevent the resin from building up. It keeps our pieces clean, and our hits fresh and delicious.

More Info:

Up to 60 uses per bottle
Contains fruit extracts, vegetable glycerin, purified water, citric acid
Won't affect taste
Just a few drops needed with every water change

RezBlock - 15ml

This Domeless drop in nail is all you need for nearly any 14, 18, or 19mm downstem. The concentric heat sinks serve two uses. They prevent heat from tansfering from the nail to your piece, and are sized to fit in different downstems. Best of all this nail requires no dome.

Solid Titanium
Height: 2" Dish Width: 0.75"
Fits 14,18,and 19mm downstems

Drop In Domeless Nail 14mm / 18mm

A Closer Look

We’ve all had those times where we come across some herb that’s greener, fuzzier, and more crystallized than we ever dreamed possible. While some people take a moment to thank the strain gods, we take a moment to whip out this portable scope and look a little closer. Up to 100x closer, to be exact.

Specs:

60-100x magnification
Bright, ultra-white LED light
Comes with long-lasting batteries
Replacement batteries SG3 / 392 (requires 3)

420 Scope 60-100x LED Microscope

Introducing DabDish Pro, the 2nd Generation silicone bowl and insert. The new version comes in two sizes that fit perfectly in our Small and Large Concentrate Jars.

You'll always have a place to rest your sticky dabber because we upgraded the original design with a notched dabber rest. And the large size now features dual chambers to securely store two different concentrates.

Those who like to conserve can use the rounded lip to wipe excess wax from their dabber.

Specs:

Fits Small Concentrate Jar / JAR NOT INCLUDED
Notched Dabber Rest
Rounded lip for wiping
Dishwasher-safe
Heat-resistant to 500 degrees
FDA-approved silicone
Small Dish 1.25" W x .975" H

DabDish Pro - Small

Pot needs the sun to grow, but once your herb hits maturity you want to block it from the light. If you don't, you're going to speed up the decaying process. You don't want that. You want your ounce of herb to stay as fresh as possible for as long as possible. And we don't blame you. We support you with the XL UV Jar.

Specs:

Pressed Glass
Permanent Glass Decals
Screw-Top Plastic Lid w/ Airtight Seal
Holds: 1.0 oz (28.0 g) | 13.5 fl oz (400 ml)
Height: 5.5in (14.0 cm)
Width: 3.0in (7.6 cm)
Made in Europe
420 Jars Lifetime Warranty
*See All Available Designs at the 420 Science website

XL UV Screw-Top Jar

We set out to create a totally unique storage solution for keeping oils nice and safe. Our Wax Wallet is a small hinged clamshell container with a silicone liner. Featuring a super low profile, this container is easy to slide in and out of your pocket.

Specs:

Hinged Clamshell Design
FDA-approved, Food Grade Silicone
Holds approximately 1 gram
1.75" W x .5" H
Colors: Green, Blue, Gray

Wax Wallet

You’ve got a quarter pound, we’ve got a hermetically-sealed jar that’s begging to keep it fresh. Why are you making it beg? That’s not cool. All it wants to do is help you out. It’s offering you quality, clarity, strength, and your choice of two pewter medallions. So please, for the jar’s sake, stop the charade and just say yes.

Specs:

Holds: 4 oz (113 g) | 64 fl oz (1.9 l)
Height: 8.5” (21.6 cm)
Width: 5. 0” (12.7 cm)
Latch Top Lid with Gasket Seal
Hand-crafted Pewter Medallion
Pressed Borosilicate Glass
Made in Italy
420 Jars Lifetime Warranty

Large Latch-Top Jar

A flat head dabber is an essential tool for loading up most consistencies of concentrate. Whether it is oil or shatter, you can get it on the flat head ready for your piece. Made from stainless steel, these dab tools will do the job.

Grade 2 Titanium
Length: 4"

Flat Head Dabber

Quartz nails are magnitudes better than cheap glass dabbing accessories and last longer without being much more expensive. If you want your rig to have a clean, sleek, all clear scientific appearance then quartz is the way to go. The domeless feature of these nails ensures a simple and functional setup. The male end allows you to convert any Dry Herb piece into an Oil Rig. As with Titanium nails, we recommend seasoning your Quartz nail in order to enjoy the full flavor of your concentrates.

Specs:

Height: 2"
All Quartz Body
Available in 14mm

Quartz Domless Nail - Ground Joint - Male

Quartz Glass Bangers are a great way to do big, low temp dabs. The quartz glass can withstand daily use better than soft, or even boro glass. The banger has a deep bucket and a large expanding downstem that fits directly onto your piece. The air path for these pieces is exquisite and we know you will enjoy them. Find a Quartz Banger in your rig's joint size and angle for just the right fit and a perfect rip.

Specs:

2mm thick quartz glass
2" arm length
19mm Male, comes in both 45 and 90 degree styles
Angled bucket
Large airway for long draws

Quartz Banger 19mm - Ground Joint

This UV 420 Jar is one of a kind. With a glass-on-glass lid and thick UV glass your friends are sure to be envious. 

NOTE: We strongly recommend washing out this jar before using it. The grinding process may leave some glass residue behind.

Specs:

Molded Glass
Permanent Glass Decals
Ground Glass Lid
Holds: 2-3 oz | 1 L
Height: 8" (20 cm)
Width: 4.25" (11 cm)
Made in Europe
420 Jars Lifetime Warranty

Liter Glass-on-Glass UV Jar

Open the lid. Do you know what you’ll see? Reverse bevel. Yeah, that’s right. We said it. Reverse. Bevel. In other words, you won’t be finding any fragments of wax or herb getting stuck in a crevice. Which is nice. Because while fingers are great for scooping, there are some places they just can’t reach. 

NEW! Add a DabDish Pro Silicone Insert

Specs:

Pressed Glass
Permanent Glass Decals
Screw-Top Plastic Lid w/ Airtight Seal
Holds: A shitload of concentrate (100 ml)
Height: 1.75” (4.5 cm)
Width: 2.5” (7.6 cm)
Made in Europe
420 Jars Lifetime Warranty
*See All Available Designs at the 420 Science website

Large Concentrate Jar

We're awesome, but we're not perfect. This jar is proof of that. It used to be our XL UV Screw-Top, but fans weren't happy with the seal. And you know what? Neither were we. So we went back to the lab and came up with double-wall protection to ensure maximum freshness. We learn from our mistakes. Just like Einstein.

Specs:

Machine Blown Glass
Permanent Glass Decals
Airtight Silicone Lid
Holds: 1.5 oz (42.0 g) | 24 fl oz (710 ml)
Height: 4.75in (12.1 cm)
Width: 4.0in (10.2 cm)
Made in the USA
420 Jars Lifetime Warranty
*See All Available Designs on the 420 Science website

Medium Wide-Mouth Jar

You’ve got a new tincture. We’ve got a UV Dropper with a screw top lid and extra thick glass. Sounds like a match to us. Each dropper has a bulbous tip. This ensures an unlimited supply of penis jokes and, more important, consistent drop-size to help regulate dosage.

Specs:

Holds: 50 ml
Height: 5.25” (13.3 cm)
Width: 1. 5” (3.8 cm)
Airtight Lid with Glass Pipette
Permanent Glass Decal
Injection Molded Glass
Made in Europe
420 Jars Lifetime Warranty
*See All Available Designs at the 420 Science website

Large UV Dropper

Now we're starting to get a little serious. Our medium jar holds up to a quarter ounce of your favorite herb. Hell, it can hold up to a quarter ounce of your least favorite herb, too. Because you may be a strain snob, but you know it's better to be with than without.

Specs:

Pressed Glass
Permanent Glass Decals
Screw-Top Plastic Lid w/ Airtight Seal
Holds: å_ oz (7 g) | 4 fl oz (118 ml)
Height: 2.75in (7.0 cm)
Width: 2.25in (5.7 cm)
Made in Asia
420 Jars Lifetime Warranty
*See All Available Designs at the 420 Science website

Medium Clear Screw-Top Jar

This 10mm Titanium Dish Nail is the standard style nail most rigs use. The height is adjustable due to its stainless steel threaded shaft. 

Solid Titanium Dish
Height: 2" Dish Width: .25"
Fits Male Direct Inject

Standard Threaded Ti Nail

We set out to create a totally unique storage solution for keeping oils nice and safe. Our Wax Wallet is a small hinged clamshell container with a silicone liner. Featuring a super low profile, this container is easy to slide in and out of your pocket.

Specs:

Get one of each color!
Hinged Clamshell Design
FDA-approved, Food Grade Silicone
Holds approximately 1 gram
1.75" W x .5" H

Wax Wallet 3 Pack

Zip lock bag? Come on. You're better than that. Take that eighth and store it in this jar. You keep it fresh, you keep it safe, and you keep its dank smell from letting people know you're carrying. Because while sometimes it's more fun with friends, there are some times when you just don't want to share.

Specs:

Pressed Glass
Permanent Glass Decals
Screw-Top Plastic Lid w/ Airtight Seal
Holds: 1/8 oz (3.5 g) | 2 fl oz (59 ml)
Height: 2.0in (5.1 cm)
Width: 2.0in (5.1 cm)
Made in Asia
420 Jars Lifetime Warranty
*See All Available Designs at the 420 Science Website

Small Amber Screw-Top

When you're holding a half-ounce of dank, you owe it to yourself to remember these very important things about the large Pop-Top jar. First, it has a durable base. Second, it pops with freshness every time you open it. And third, High Times called it ‰ÛÏthe best in herb storage.in

Specs:

Machine Blown Glass
Permanent Glass Decals
Glass Lid w/ Airtight Plastic Gasket
Holds: å_+ oz (16.0 g) | 10 fl oz (300 ml)
Height: 4.5in (11.4 cm)
Width: 3.5in (8.9 cm)
Made in the USA
420 Jars Lifetime Warranty

Large Pop-Top Jar

Large 420 Science Jar 

There’s something about a water pipe coated in resin that just makes us feel dirty. That’s why we change our water every day. But that’s not all. Not by a long shot. We also use RezBlock. Just a few drops help prevent the resin from building up. It keeps our pieces clean, and our hits fresh and delicious.

More Info:

Up to 120 uses per bottle
Contains fruit extracts, vegetable glycerin, purified water, citric acid
Won't affect taste
Just a few drops needed with every water change

RezBlock XL - 30ml

Drop in nails are designed for two purposes. The Titanium downstem slides straight down the direct inject joint so your joint stays nice and clean. Plus they have five half moon shaped vapor entry holes so your dabs don't lose airflow and your hits come just as quick as you touch your tool to the nail.

Grade 2 Titanium
Height: 1.75" Dish Width: 0.50"
Fits 14mm Direct Inject

420 Science

420 Science products