Specifically designed outworld for arboreal weaver ants. Constructed using thick 3 mm precision cut Plexiglas acrylic which offers the highest clarity visibility for viewing of the colony. Features: Modular design. Multiple outworlds can be connected side by side 7 High ventilation ports which can be swapped out for click lock ports (click lock ports sold separately) 21 pillar accessory anchor points - compatible with all pillar accessories. Large easy access high ventilation lid Dimensions (mm): 350mm H x 200mm W x 200mm D Please note this item comes flat packed and requires some adult assembly (Tools included) If using this outworld with fine sand or as a bio active we recommend using silicone sealant to seal the inside of the bottom of the outworld to stop water/sand working out of the joints.