Yes, kunai can be purchased from various online retailers, specialty weapon stores, and martial arts supply shops. However, it's important to note that kunai are considered a weapon in many places and may be subject to legal restrictions or regulations. It's important to research and understand the laws and regulations regarding the purchase and ownership of kunai in your area before attempting to buy them. **

Yes, Kunai knives can be purchased from various online retailers, specialty knife stores, and even some martial arts supply shops. However, it is important to note that in some regions, Kunai knives may be considered restricted or prohibited weapons, so it is essential to check local laws and regulations before purchasing one. Additionally, Kunai knives are primarily used as tools or for decorative purposes rather than as weapons. **

Yes, Kunai knives are allowed in Germany. However, they are considered as weapons and are subject to strict regulations. It is illegal to carry Kunai knives in public without a valid reason, such as for work or sports activities. Additionally, individuals must be at least 18 years old to purchase or possess Kunai knives in Germany. **

Throwing a knife like a kunai, as shown in Naruto, is possible but extremely difficult and dangerous. It requires a lot of practice, precision, and skill to accurately throw a knife with enough force to stick into a target. Additionally, throwing knives in this manner can be very risky as it can cause harm to oneself or others if not done properly. It is always important to prioritize safety and proper training when attempting any kind of knife throwing technique. **

A gas heater uses a spark to ignite the gas and create a flame. Once the gas is ignited, it continues to burn and produce heat without the need for a continuous spark. Therefore, after the initial spark, there is no need for it to remain lit as long as the gas is burning. This is why you may only see a spark when the gas heater is turned on, and not a continuous flame. **

To heat a plate over a candle flame, you can hold the plate above the flame at a safe distance to avoid direct contact with the flame. Move the plate back and forth over the flame to evenly distribute the heat. Be cautious not to hold the plate too close to the flame to prevent it from getting too hot or potentially breaking. **

No, ember is not hotter than fire. Ember is the glowing remains of a fire that has started to die down, whereas fire is the active, burning flames produced by a combustion reaction. Fire typically burns at a higher temperature than ember, as it is actively consuming fuel and releasing heat and light. **

An ember tetra is a small freshwater fish that is popular in the aquarium hobby. It is known for its vibrant red and orange coloration, resembling the glowing embers of a fire, hence its name. Ember tetras are peaceful and social fish that do well in community aquariums with other small, non-aggressive fish. They are relatively easy to care for and are a great choice for beginner fish keepers. **