Cool, weird, and gross stuff we played with at Toy Fair 2018 — Popular Science and Circuit Conductor Posted on March 13, 2018 by paitechnology A cool way to play with circuits! https://www.popsci.com/toy-fair-2018-cool-products-tech#page-5 Share this:TwitterFacebookLike this:Like Loading... Related Published by paitechnology View all posts by paitechnology