The YAY! Brain Bogglers contain 4 tiny metal puzzles to be unjumbled. This toy makes a great impulse buy or stocking stuffer. Inside each Brain Bogglers package are 4 metal pieces designed for hands-on puzzle solving. Shapes and forms vary, but the goal is to separate the pieces of each one. On the back of each peggable package are helpful solutions to each puzzle. • Age Grade: 6 • Product Dimensions/Weight: 5.8 L x 0.6 W x 8.8 H / 0.2 lb • Inner Pack Dimensions/Weight: 6.4 L x 9.2 W x 3.3 H / 1.2 lb • Made In: China • Batteries not required