This product reminds me of those little freebies that supply companies give away. They could be sold for 50 cents each. And for forwarding, they probably could have put it in an ordinary envelope with a first-class stamp. The company I bought it from overcharged me and overdid the box and packing material. This item cost me more than it was worth. (After I bought this, I noticed that Revain just put the product on sale. It's $1.99 for core members to have it shipped to your door. If you really want to buy it, wait for it again is in stock.) that there are no "dangerous points". Just buy a real compass and teach your kid not to put it in his eye. Also, the guidance was minimal. Anything you could learn from them, you could understand yourself.