···
Log in / Register

How long does it typically take to build the Makeblock mBot 90107 robot kit?

1Answers
McBrynlee
12/17/2025, 06:38:25 AM

Assembling the Makeblock 90107 mBot robot kit is designed to be a quick and enjoyable experience. Most users, even those new to robotics, can complete the assembly in approximately 10 minutes. The kit's design emphasizes ease of construction, featuring a simple build process and clear, step-by-step instructions. This makes the mBot an excellent choice for beginners and a fun, quick project for anyone looking to get started with robotics.

Was this review help?
119
Share
More Q&A

what is a 1941 american nickel worth

The provided context is irrelevant to the question, so this answer is based on general numismatic knowledge. The value of a 1941 American nickel, part of the Jefferson series, depends almost entirely on its condition and its mint mark. As a pre-war nickel, it is composed of 75% copper and 25% nickel, meaning its value is not based on precious metal content like the "war nickels" that would follow. In heavily circulated condition, a 1941 nickel is extremely common and is typically worth only slightly more than its face value, often between 10 and 50 cents. Most examples found in pocket change will fall into this category. The coin's value begins to rise significantly in uncirculated, or Mint State, condition. An uncirculated 1941 nickel can be worth anywhere from a few dollars to over thirty dollars. The specific value is determined by its grade on the numismatic scale and whether it was minted in Philadelphia (no mint mark), Denver (D), or San Francisco (S). While values for all three mints are similar in lower grades, subtle differences can emerge in the highest uncirculated grades. Collectors of this series often look for a sharp strike, particularly the "Full Steps" on Monticello on the reverse, which can command a premium price. The Philadelphia mint also produced a limited number of proof coins in 1941 for collectors. These proof coins, which have a mirror-like finish, are much rarer and more valuable, often fetching $50 or more depending on their condition. For an accurate assessment, it is always recommended to have the coin evaluated by a reputable coin dealer.
114
Share

what is the value of a 1941 canadian nickel

The value of a 1941 Canadian five-cent coin, commonly referred to as a nickel, is highly dependent on its physical condition, or grade. These coins were produced in large quantities and are composed of pure nickel, belonging to the King George VI series. For specimens that have been in circulation and show signs of wear, the monetary value is quite modest. According to price guide data, a 1941 Canadian nickel in a circulated condition such as "Very Good" (VG-8) is typically valued at approximately $0.20. As the condition improves, the value sees a slight increase. For instance, a coin graded "Fine" (F-12) may be worth around $0.35, while one in "Very Fine" (VF-20) condition could be valued at $0.50. An "Extremely Fine" (XF-40) example, which shows only light wear, might be valued at about $0.75. The value increases significantly for coins that are in uncirculated, or "Mint State" (MS), condition. These are coins that were never used in commerce and retain their original mint luster. A basic uncirculated example graded "Mint State 60" (MS-60) could be worth around $8.00. The value climbs substantially with higher grades, which denote fewer surface imperfections. A coin graded MS-63 is valued at approximately $12.00, while a superior MS-65 specimen could be worth around $40.00. For exceptionally well-preserved examples graded MS-66, the value can reach over $100.00, reflecting their rarity in such high condition. Therefore, a precise valuation requires a careful assessment of the coin's grade.
101
Share

what building is on the back of the nickel

Based on the provided context, the specific building on the back of the nickel is not identified. The U.S. Mint source offers general information about the nickel but does not describe its reverse side in detail, and the Wikipedia source link for Monticello contains no text. Drawing upon general knowledge, the building featured on the reverse of the U.S. nickel is Monticello. This historic structure was the primary plantation and home of Thomas Jefferson, the third President of the United States. The choice of Monticello for the coin's design is significant as it directly relates to the portrait of Jefferson that appears on the obverse, or front side, of the coin. This design has been a feature of the nickel for most of its production since 1938.
114
Share

where is the mint mark located on a 1941 nickel

Based on expert knowledge, as the provided search results did not contain the specific information, here is how you can locate the mint mark on your 1941 nickel. Finding the mint mark on a 1941 Jefferson nickel is a crucial step for any collector looking to determine the coin's origin and full story. You will need to examine the reverse side of the coin, the one featuring the image of Monticello. Look carefully to the right of the building, in the space between the structure and the rim of the coin. If your nickel was minted in Denver or San Francisco, you will see a small, single letter in that spot. A "D" indicates it was struck at the Denver Mint, while an "S" signifies the San Francisco Mint. If you do not find a letter in this location, it means your coin was produced at the main U.S. Mint in Philadelphia, which did not use a mint mark on nickels during that year. It's a common point of confusion, but be sure not to look above the dome of Monticello. That prominent placement was only used for the silver "war nickels" produced later, from 1942 to 1945. For your 1941 nickel, the correct and only location for the mint mark is to the right of Monticello.
111
Share

is a 1941 jefferson nickel silver

Based on general numismatic knowledge, as the provided context was not relevant, the answer is a definitive no. A 1941 Jefferson nickel does not contain any silver. It's a very common point of confusion, and it's certainly worth asking, as some nickels from that era do indeed contain silver. Your 1941 nickel is made of the standard composition for the coin: 75% copper and 25% nickel. This alloy was used for Jefferson nickels from their introduction in 1938 and is the same composition used today. The misconception arises because of the changes made to the coin just one year later. When the United States entered World War II, nickel became a critical material for the war effort, needed for armor plating and other military supplies. To conserve this valuable metal, the U.S. Mint changed the composition of the five-cent piece from mid-1942 through 1945. These special coins, often called "war nickels," are composed of 35% silver, 56% copper, and 9% manganese. So, while your 1941 nickel predates this change, you can easily spot the silver versions from 1942-1945. The key is to look at the reverse side of the coin, above the dome of Monticello. If you see a large mint mark (P, D, or S), you have found a silver war nickel. A 1941 nickel will not have this prominent mint mark in that location, confirming its standard copper-nickel composition.
101
Share

a nickel value

Ah, the humble nickel. Its value is a surprisingly layered question, much like a five-cent onion. While the provided search results are more of a tantalizing menu than a full meal, they point us in the right direction. On the surface, a nickel is worth exactly five cents. You can use it to make change, feed a very old parking meter, or get one-twentieth of the way to buying a dollar-store item. This is its face value, the number stamped right on it, and it's the one value you can always count on, bless its little heart. However, as resources like the Greysheet price guide suggest, some nickels are the overachievers of the currency world. The value of a nickel to a collector can skyrocket based on its rarity, date, condition, and mint mark. A 1937-D "three-legged" Buffalo nickel isn't just five cents; it's a piece of history born from a minting error and worth hundreds or even thousands of dollars. So, that nickel rattling in your pocket could be a dud, or it could be a down payment on a jet ski. Probably a dud, but hope springs eternal. Then there’s the melt value, a topic precious metal dealers like JM Bullion would know all about. For most of its life, a nickel has been made of 75% copper and 25% nickel. There have been times when the value of that metal has actually exceeded five cents, making the coin worth more as a tiny metal puddle than as currency. Don't get any bright ideas, though; melting U.S. coins is illegal. The exception is the silver "war nickels" from 1942-1945, whose value rises and falls with the silver market. So, a nickel's value is a wonderful paradox. It's either five cents, slightly more for its metal content, or a whole lot more if it's a rare celebrity in the coin-collecting universe. Check your change carefully.
120
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.