This application ended its service on October 31st, 2019.

Influential YouTubersHandpicked by the Callmart editorial desk

Today's featured YouTube channel is! Learn about this exceptional YouTube channel's background to see why it was selected by the Callmart editorial team.


Total Views4,436,234

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Channel Description

Free Educational Learning Video Channel - How To, Science, Math, Family & Christian Faith, Computer & Tech and other cool stuff. If you have a product or products for me to review, test or mod please email me at and I will provide you my delivery address. I focus mainly on educational resources (science & math books, microscopes, robotics, etc), electronics & computers and gadgets. I am going to be honest about the products I received and will give both pros and cons about the products reviewed. I will also suggest things to improve in the future. If you would like an honest vigorous constructive criticism about your products let me know. My educational background is Science and Medicine. Thx NOTE: If you would like us to return your reviewed products please include a paid return envelope or package with the returning address labelled. Sipski: 22+ years of education, it's time to put them to practice. ** Jack of all trades. Master them one by one. **

From the YouTube channel’s "about" page.

Comments by Callmart:

・The beautiful work created by has a quality that can never be overlooked.

・The viewing experience is an important part of a YouTube video, and we always have fun when we watch videos on the YouTube channel!

Callmart's Color Choice

The color that our editorial team chose for is... Mellow Yellow

Mellow Yellow is a Yellow color,
which means this YouTuber is...Joyful

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