SmartGames is a worldwide leader in brain-building, one player games. They are a leader in creative thinking games with simple game rules. Lots of people are intimidated by a challenge which looks too complex - SmartGames keeps it appealing with fewer pieces, yet still challenging. The most important thing, though, is that SmartGames are fun. Booster Pack for Roadblock - This is an add-on set for the game Roadblock. Features: 60 brand new challenges (sold-separately); second car to block in; master using child's deductive reasoning; and problem solving skills. Ages 7 and up.