★★★★★ 5
A book to learn by
Informative teaching book
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Reviewed in the United States on May 13, 2026
Superfish Aqua-Flow 400 Aquarium Filter Pump
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Superfish Aqua-Flow 400 Aquarium Filter PumpThe Superfish Aqua Flow 400 is a reliable dual action filtration system designed for both coldwater and tropical aquariums. This powerful filter combines a foam filter and active carbon within a single cartridge to efficiently eliminate organic contaminants, chemicals, and dyes from your aquarium water. The innovative 'Easy Click' mechanism simplifies the process of replacing filter cartridges, making maintenance straightforward and quick. With its
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4.4 ★★★★★
Based on 2338 reviews
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Product Reviews
★★★★★ 5
Surprisingly Accessible for All Ages
This is an excellent introduction to coding concepts. The book is beautifully laid out with clear, step-by-step instructions and helpful diagrams that make complex ideas easy to understand.
The highest praise I can give is that I've been reading it side-by-side with my 5-year-old, and the visuals and explanations are simple enough for her to grasp the basic concepts. It sparks great conversations about how technology works.
It's a fantastic resource not just for adult beginners, but also for parents looking to introduce computational thinking to young children in a fun, engaging way. Highly recommended for visual learners and family learning.
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Reviewed in the United States on September 25, 2025
★★★★★ 4
Slightly disappointed
I’m already familiar with most of the languages in this book, but I figured it would be fun to do some of the projects they had inside. I was disappointed to find out when I received it, that the first two images on the product listing are not from this book. I was looking forward to building a password generator which it does not have in here. Also, the ‘build a game’ page for Scratch is different too. You still build a game but not what you expect from what is shown on Amazon.
Still worth picking up if you want to learn to code or teach your kids.
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Reviewed in the United States on October 1, 2024
★★★★★ 5
Must Have For Beginner Coders
I am just starting out learning the concepts of coding, because I would like to start making my own video games as a hobby. I have purchased other "how-to" guides for beginners, which ended up being very confusing and required a more intermediate level of knowledge with coding. I am very happy with this book, as it provides straightforward and easy to understand lessons in four different coding languages, along with access to a free-to-use coding program so you can practice each lesson step-by-step in real time. The book is very colorful and laid out well with lots of pictures to illustrate each step in the process. I highly recommend this book for people like me, who are just starting out with coding and want to grasp the fundamentals before jumping into the deep end.
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Reviewed in the United States on July 8, 2023
★★★★★ 5
Need tutor
Very educational but I need tutoring.
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Reviewed in the United States on March 1, 2026
