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Picture of Soda Bottle Ant Farm
Ever wanted an ant farm?  Ant farms are entertaining, yet educational – it’s fascinating to observe the little ants as they go about their busy lives.  But store-bought ant farms are often expensive, and usually limited in size.  If you’d like an inexpensive, easy-to-make ant farm alternative that gives ants tons of space to lead a more natural life, then this soda bottle ant farm project is for you!

Step 1: Materials You'll Need

Picture of Materials You'll Need
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One of the great things about this project is that it mostly requires materials and tools that are inexpensive, common household items.  You’ll need the items pictured above, as well as a few other things -- here's everything you'll need to gather:

• Two 2-liter plastic bottles
• One smaller plastic bottle, between 591 mL to 700 mL in size. Get one that has five bumps on the bottom (like the 2-liter bottles, as shown in the close-up picture above).
• One “Tornado Tube.” These are used to hook two plastic bottles together and are often found in toy stores. They can also be purchased online, such as from Amazon.com: http://www.amazon.com/dp/B000GYSZOI/
• Optional: Hair dryer and Goo Gone to clean the bottles up.
• Utility knife
• Scissors
• Epoxy that works with plastics. I used quick-set, multi-purpose Loctite epoxy and it worked great.
• Soil
• Funnel or construction paper
• Optional: Grass/grass seeds, small leaves, rocks, twigs, etc., to make a natural foraging area for the ants.
• Shipping tape
• Cotton ball
• Ants!
 
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HrdWodFlor1 year ago
I like this! A much more natural enviroment than most ant farms. Good job.
Teisha (author)  HrdWodFlor1 year ago
Thanks, HrdWodFlor! I always enjoy finding ways to repurpose/up-cycle items.
Ellexis1 year ago
Great job! Our kids want to do this with our indigenous fire ants... Sounds like fun!
Teisha (author)  Ellexis4 days ago

Thanks so much, Ellexis! Be careful with those fire ants!

-CCCP-1 year ago

Awesome!

Teisha (author)  -CCCP-4 days ago

Thanks, -CCCP-!

83847477385 days ago
Can I raise a queen ant in this environment? I want to catch one next spring but I want a relatively large habitat for her
Teisha (author)  83847477384 days ago

If you're using really small ants, then I think it should be OK. But if you're using larger ants, I'd want to give them more space (maybe by carefully connecting a few of these together, making sure they're sealed together well!).

Jabez MelkiB2 months ago

I really like this project and since the queen ants and termites are swarming i thought maybe i can make this.. but do you have a pic of the ant queen? I don't want to accidentally take care of termites instead of ants...

Wait until after the nuptial flights then you can find the queens crawling on sidewalks or you can try digging up a newly developed hill.
Dellarach5 months ago

Teisha, I just wanted to say that you are incredible! I love how you personally answered all questions and comments! Love the dedication!!! This idea is wonderful and on a rainy day like today it will be a good distractor for my adventurous kids! Thanks!!

Teisha (author)  Dellarach5 months ago

Thanks for the kind and thoughtful words, Dellarach! I really appreciate it. And welcome to Instructables! (It's probably the best/most positive online community I've ever come across, so enjoy!) I hope your adventurous kids enjoy the soda bottle ant farm - I definitely would have loved it as a kid (well, even as an adult I still love bugs and these types of things!). Feel free to check out my other projects (if your kids like Minecraft, there are some other fun projects for them in there!).

Can u use tape or glue
Teisha (author)  jaramiah.attwood5 months ago

You could probably use hot glue instead of epoxy, although I didn't do this. I wouldn't recommend tape because ants could probably get around that if they were really persistent. You want to make sure to make a good seal so the ants don't escape.

What is the point of the smaller bottle and could I use a hot glue gun instead of epoxy?
Teisha (author)  b15h0p321235 months ago

The smaller bottle creates a small space between the larger and smaller bottle. This means a relatively thin layer of sand can form between the two bottles, so you can be guaranteed to see the ants when they are crawling down there. Hot glue would probably work too - you just want to make sure it's completely sealed so no ants escape!

This is amazing!! I no longer have to buy a fake environment for the ants!!
Teisha (author)  MarkersUnite1231 year ago

Thanks, MakersUnite123! Ants definitely deserve as real an environment as we can give them when they're in an ant farm. Thanks for checking out the 'ible!

whoohoo1 year ago
i can't find any tornado tubes. any replacements?
-CCCP- whoohoo1 year ago

You can just find 2 caps from your bottles, then drill them out so you are left with a threaded ring, Epoxy them together.

-CCCP- whoohoo1 year ago

You can just find 2 caps from your bottles, then drill them out so you are left with a threaded ring, Epoxy them together.

woodpuppy1 year ago
Hi! as a kid I used to make ant-farms out of 2 pis. plastic nailed to a wooden frame. Something like 40 cm by 50cm and about 5cm apart. Least to say my farms never lived that long. THIS IS SO GREAT!. It´s winter over here in Germany, but come springtime I WILL make myself one of theas. Thank you so much for the idea.
Teisha (author)  woodpuppy1 year ago
That's really neat! I've made various bug containers over the years, but this is the first one I tried to make specifically as an ant farm. (I don't have a lot of wood-working tools, so that limited my options.) Even though you can't get ants easily in the wild right now, you might be able to order them online somewhere? That's actually what I did here in the U.S., but I don't know what the options are like in Germany. Thanks for checking out my project! Auf Wiedersehen!
Great idea!! I will be doing this over the weekend with my 4 year old! Question, though.... How do you feed the ants?
Teisha (author)  gotsparkles1 year ago
Thanks for checking out the ant farm! I hope you and your 4-year-old enjoy trying it out - I think it should be a lot of fun as a weekend project.

You can add food to this ant farm by simply taking off the top (if you did not tape it shut) or by removing the cotton ball and adding food through the hole (if you went that route). I've been adding food through the cotton ball hole and it works well. (Just don't add too much at once or they might get moldy.)

What you feed the ants depends on the species of ant. Different ant species eat different things, but most eat small, dead insects, fruits, seeds, although it varies. Here's a webpage that talks about what they eat more: http://www.live-ants.com/what-ants-eat.html The ant in the picture in step 9 is a black garden ant (Lasius niger), and they're omnivorous -- they'll eat dead insects, fruits, and other foods.
Very helpful!! Thanks so much - it's on our project list for the weekend. :)
Teisha (author)  gotsparkles1 year ago
Enjoy! :)
therishel1 year ago
Clear silicone caulk could be used as an alternative to epoxy to seal the bottom of the lower bottle and to attach the smaller bottle. Silicone is much easier to work with, less toxic, and more forgiving of mistakes. Especially important if building this project with children. If using silicone, be sure to allow enough time for the caulk to cure completely.
Teisha (author)  therishel1 year ago
Thanks for the suggestion, therishel. It's always important to be careful when you're making a project like this with children.
I would love to see someone trying a termite farm. I found termites at work in a piece of wood and kept some of them for about a year in a 1 pound margarine tub. (I fed them wood shavings, sawdust, etc. but eventually forgot about them for too long and the poor things dried up. In my view they are just as neat as ants. A cool thing about termites is that you probably do not need the queen to have a viable colony. Another cool thing is that there are soldiers and workers.
Teisha (author)  gaiatechnician1 year ago
That is a neat idea, gaiatechnician. You could probably guess that I like raising/watching insects. Your termite idea reminded me of a neat article I found on raising mealworms: http://www.hollowtop.com/finl_html/mealworms.htm
HrdWodFlor1 year ago
One of the things you can do if you want, is to take a couple of small bottles and attach them to the larger bottle using lengths of clear tubing. Then make these satellite bottles the feeding/watering stations. once they learn where the food/ water is you can watch them crawl along the tubes. Also if you have one that has just a small amount of dirt in the bottom they will pile up the colony waste and dead ants in it like a garbage dump.
Teisha (author)  HrdWodFlor1 year ago
Thanks for the good idea, HrdWodFlor. I was hoping to try something like this in the future. You could even do experiments where you put different foods in different bottles and see which ones the ants like to visit the most.
cb cowboy1 year ago
What a great idea !! Thanks
Teisha (author)  cb cowboy1 year ago
Thanks, cb cowboy!
nesplanet11 year ago
What would you feed the ants?
Teisha (author)  nesplanet11 year ago
It depends on the species of ant. Different ant species eat different things. Most ants eat small, dead insects, fruits, seeds, but it varies. Here's a webpage that talks about what they eat more: http://www.live-ants.com/what-ants-eat.html

Ants commonly used in ant farms are a type of harvester ants, and they largely eat seeds: http://en.wikipedia.org/wiki/Harvester_ant

The ant in the picture in step 9 is a black garden ant (Lasius niger), and they're omnivorous -- they'll eat dead insects, fruits, and other foods.
sabu.dawdy1 year ago
educational
Teisha (author)  sabu.dawdy1 year ago
Thanks, sabu.dawdy!
If you boil some water and dip the cut edge into it the heat will shrink the plastic just slightly. Enough for it to create an overlapping edge for a better seal. Refer to some of the H2O rocket instructables for a better explaination.
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