Explain 3D vs Mainspree

We are helping people understand how things work.

Do you remember books like “The Way Things Work“ or “How things work”? These books were best sellers and helped kids and people understand how things work. Some reviews of these books were: “This book taught me more about technology than my first five years of school…”
Explain3D is system of interactive educational simulations, that can help you to explain, how things work.

Selling on social. As simple as posting a photo.

Download the Mainspree smartphone app and use it to post photos of items you have for sale to your social networks. Your follower see your posts just as they always have. When they see an item they want to buy, they simply click on it and checkout.