Only followers of this user (@techstartupmom) can see their posts
Charlie Ziese has a lot of info on them and you can buy from him OR follow the instructions to make your own. My son put his hand above ours once it was built and I was sitting in it, he jerked his arm back and said it went tingly up to his elbow... πβΊοΈπ
pyramidsciencefoundation.org