Introduction Have you ever ridden a roller coaster? Have you ever wanted to design your own? There are plenty of expensive toys and even video games that will let you build your own coasters—but in ...
CLEAR LAKE | Colored paper laid askew on the tables and floor in a room, where more than 50 middle-schoolers, from across Iowa, busily cut, taped and constructed paper roller coasters Wednesday, Nov.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback