This makes a great travel game to keep your kid entertained for hours. The Vintage 2002 ThinkFun River Crossing is a puzzle game that challenges players to strategize their way across a river using a perilous plank. Designed for one player, this game is suitable for ages 8 and up, making it engaging for both children and adults. With a focus on strategy, players must carefully plan their moves to successfully cross the river without falling off the plank. Made by ThinkFun in 2002, this game is a classic puzzle that provides hours of entertainment for both boys and girls alike.