Floating thermometer Blue boat Floating thermometer Medaka aquarium Ornamental fish Goldfish Free shipping, anonymous shipping Since the surroundings are made of plastic, there is almost no risk of breakage even if dropped or bumped. Ideal for medaka, goldfish, carp, and other fish viewed from above. This is a Medaka (Japanese killifish) breeding container for viewing from above, also ideal for suiren鉢 (water lily pots), Medaka breeding containers, goldfish ponds, etc. This is a floating thermometer for ornamental fish. Measurement temperature range 0 degrees - 50 degrees This is a thermometer that floats on the water surface and reads the water temperature from above. It has a compact design that does not get in the way even in narrow spaces. Size: Width 7.0cm x Depth 3.5cm x Thickness 1.5cm Material: Plastic, Glass Please read the precautions and usage instructions on the back of the package before use. 1 piece, set of 2, set of 4, set of 6, set of 8, and set of 12 are also available. If you cannot find it or if the quantity is different from what you want, please let us know in the comments. We will list it as a set with the desired quantity.