Hybrid Nest 2 side type G Halloween Version Hybrid Nest 2 side type glows in the dark! Furthermore, it's a Halloween version with a set of Halloween-designed covers and a stand. The nest glows in the dark when exposed to room lighting, etc. The covers on both sides have different pumpkin designs, and a skeleton stand. Cute and a little scary Halloween, it's also a perfect match with the ants! - The cotton and sponge on both sides are used for moisture retention and are clean. (Cotton included at the time of shipment) - You can visually check the moisture-retaining cotton inside the nest, making it easy to manage hydration. - Watering for moisture retention is very easy, as you can do it from the screw hole on the top of the nest without removing the cover. - High-quality glass is used for the lid, allowing for clearer observation. - There are connection holes on the left and right sides, so you can freely connect nests and feeding areas, and enlarge the nest as needed. - It is made sturdy, so you can keep your ants with peace of mind. - The glass lid is secured with screws at the 4 corners for stability. Suitable for small to large-sized ants found anywhere in Japan (such as Formica japonica and Camponotus japonicus) as well as overseas ants such as Green Head Ants, meat ants, and spiny ants. Even ants like Green Head Ants that cannot climb glass surfaces are fine because of the gentle slope. Easy to observe and easy to keep, it is also ideal for children's science projects. Material: PLA (glows in the dark type) (safe material harmless to the human body), cotton Glass plate (2mm) Size: Approximately 11cm x approximately 10cm x approximately 2.8cm Connection hole: For 8mm tube (inner 6mm)