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Ant Arenas and Terrariums for Sale — Foraging Outworlds in 4 Sizes
Buy ant arenas and outworlds online from ANTonTOP — dedicated foraging spaces where workers explore, eat, and interact outside the nest. Available in S, M, L, XL to match any colony scale. EU and UK shipping.
Browse all formicaria or jump to live ant colonies, kits, and accessories.
Escape-proof acrylic ant terrarium, 15×10×10 cm. 2 tubing ports (8 mm and 10 mm) for connecting to any modular nest or formicarium. Airtight construction — safe for tiny and escape-prone species. Ventilation via laser-cut micro-perforations. Suitable as a foraging zone, feeding station, or secondary chamber for small to medium colonies. Made in Poland.
Escape-proof acrylic ant terrarium, 8×5×4 cm. 2 tubing ports (8 mm and 10 mm) for connecting to any modular nest or formicarium. Airtight construction — safe for tiny species including Pharaoh ants and other small ant species that escape conventional arenas. Ventilation via laser-cut micro-perforations. Can be used standalone or as part of a modular setup. Made in Poland.
Mini acrylic formicarium with integrated test tube nest, 5×5×5 cm. Includes a 15 mm test tube as the living chamber. Expansion port: 8 mm or 10 mm tube connection. The simplest complete ant setup available — a test tube provides the nest environment, the acrylic box provides a foraging space, and the two connect directly. Ready to use straight out of the box. Perfect for newly founded colonies, single queens with first workers, or as a starter setup before moving to a full modular nest. Made in Poland.
Modular acrylic ant arena, 10×10×10 cm. 4 lockable entrances with nut-and-screw closures. 1 × 8 mm tubing port for connecting to a nest or additional modules. Laser-cut micro-perforation ventilation. Connects tightly to all 10×10 ANTonTOP modular nests — the natural foraging space to pair with any 10×10 starter nest. Made in Poland.
Modular acrylic ant arena, 20×10×10 cm. 6 lockable entrances with nut-and-screw closures. 1 × 10 mm tubing port for connecting to a nest or additional modules. Laser-cut micro-perforation ventilation. Designed to pair with 20×10 modular nests — provides a proportionate foraging space for colonies of 400–800 workers. Connects tightly to all ANTonTOP modular nests. Made in Poland.
Large modular acrylic ant arena, 20×20×12 cm. 8 lockable entrances with nut-and-screw closures. 1 × 10 mm tubing port. Laser-cut micro-perforation ventilation. The largest modular arena in the ANTonTOP range — designed to pair with 20×20 nests Matrix and Muta, providing a full-scale foraging environment for established colonies of 800–1300+ workers. Made in Poland.
Spacious escape-proof acrylic ant terrarium, 24×17×11 cm. 2 tubing ports (8 mm and 10 mm). Airtight construction with laser-cut micro-perforation ventilation — safe for Pharaoh ants and all escape-prone species. Large enough for active colonies of 400–1000 workers with room for substrate, decorations, and foraging trails. Made in Poland.
Extra-large escape-proof acrylic ant terrarium, 40×25×19 cm. 2 tubing ports (8 mm and 10 mm). Airtight construction with laser-cut micro-perforation ventilation. The largest terrarium in the ANTonTOP range — for serious colonies of 1000+ workers, large-scale educational setups, and showpiece formicarium builds. Made in Poland.
Year-round shipping across Europe and the UK
Other ant shops stop shipping when it gets too cold or too hot. We do not. ANTonTOP ships live ants 12 months a year, because every order leaves Poland in seasonal thermal packaging matched to the destination weather. Winter orders include a 72-hour heat pack that keeps the queen above 18 °C even when outdoor temperatures drop below freezing. Summer orders include a cool gel pack and ventilated packaging that hold the queen below 28 °C through heat waves.
Inside Poland we ship via InPost parcel locker (1 to 2 business days). Across the EU and to the United Kingdom we ship via DHL Express (2 to 3 business days for EU destinations, 4 to 7 business days for the UK). No import paperwork is required from you. Live arrival is guaranteed in every destination.
Direct from a Polish ant breeder, not a reseller
ANTonTOP is one man, one workshop, and 330+ live ant species raised in-house in Poland. Most queens in our catalogue are wild-caught after their nuptial flight, then founded and raised under controlled conditions until they are stable enough to travel. We ship only healthy colonies. Sick or weak queens never leave the facility.
Questions about a specific queen go straight to the breeder by message, and replies come back within 24 hours, often within minutes.
Why every colony needs an arena
The arena (or outworld) is the open foraging space connected to the nest. Workers leave the nest through 16 mm tubing, eat in the arena, drink from the water source, dispose of dead workers and food debris, and return to feed the queen and brood through trophallaxis. A formicarium without an arena is incomplete.
Sizes
- S arena — for founding queens to 50 workers.
- M arena — for 50 to 300 workers.
- L arena — for 300 to 1000 workers.
- XL terrarium — for mature display colonies, often with decor and live plants.
What every live ant order includes
- The living queen or established ant colony you ordered, in a humid test tube or transit container.
- Insulated mailing box with seasonal heat pack or cool pack matched to your weather.
- Species-specific care sheet covering temperature, humidity, feeding, and housing.
- Tracking number with door-to-door visibility, sent on dispatch day.
- Live arrival guarantee paperwork and clear claim instructions.
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Frequently asked questions about arenas and terrariums
What is the best formicarium for beginners?
A small gypsum formicarium is most beginner-friendly because the walls buffer humidity naturally. Acrylic is the easiest to clean. Match build to species — dry-climate species in acrylic, humidity-loving species in gypsum.
Acrylic vs gypsum vs ytong vs wooden — which build?
Acrylic gives the clearest view and easiest cleaning; gypsum holds humidity naturally; ytong is breathable for moderate-humidity species; wooden insulates and suits arboreal genera. Pick by species, not by aesthetics alone.
How do I control humidity in a formicarium?
Gypsum, ytong, and digfix builds absorb water and hold humidity for days. Acrylic and cork need a wet sponge or syringe misting on one side. Aim for 40-60% in the nest and 60-80% in the arena for most species.
Do you ship formicaria with a live colony inside?
Formicaria are sold separately from live colonies. To buy a formicarium paired with a queen, browse our Kits section — full setups with the colony already inside.
How long does delivery take?
1 to 2 business days inside Poland via InPost. 2 to 3 days to Germany, France, Netherlands, Belgium via DHL Express. 3 to 5 days to other EU countries. 4 to 7 days to the United Kingdom via DHL Express.
Can I expand the formicarium later?
Yes. All our nests use a standard 16 mm tubing connector, so you can chain additional chambers, attach a larger arena, or connect a second nest as the colony outgrows the first. No need to move the queen — workers migrate themselves.
What is the difference between a nest and an arena?
The nest is where the queen and brood live, protected from light and disturbance. The arena (outworld) is the open foraging area where workers eat, drink, and explore. A complete setup has both connected via 16 mm tubing.