<ul> <li><b> Coogam Rainbow Ball is color-matching puzzle with 12 holes and 11 balls. The balls can be moved around using the empty hole, which allows the puzzle to be jumbled. Move all of the balls back into their proper places to solve the rainbow ball puzzle!</b></li> <li><b> Crafted with eco-friendly ABS material, non-toxic and lightweight, harmless to human and environment.</b></li> <li><b> Solving puzzles and brain teasers are important activities to teach kids to work hard at solving complex problems and foster your kid's sense of space and enhance a child's memory.Whether you're trying to stretch your brain capacity or spending some leisure time with your loved ones, this would be a great gift for your kids.</b></li> </ul>