If you’re looking for a bigger DIY challenge than an Ikea bookshelf, Magictecture now has preorders open for its Coaster-in-a-Box kits. Only a couple of people are needed to assemble the modular track ...

While they don’t give the physical thrill of a real one, model roller coasters are always fun to watch. However, they actually make a poor analog of a full-sized ride, as gravitational force and ...