Age: 3 Years+， 8~20 Months The toy is a house shape with many hollow holes， so as to let kids take out various shapes of wood from log house and assemble them into the corresponding places.Set of blocks for kids can improve their hands-on ability， intelligence development， hand to eye coordination， creativity， motion sensitivity and quick thinking.Colorful wood blocks can attract the baby， stimulate the brain and training their ability of color， shape and space relation discrimination.19 small pieces of blocks， let your kids learn digital 0 - 9， geometric and arithmetic sign.Teach your kids how to play and learn， and help to increase the relationship between you and your children.Wood made blocks are of high quality， lightweight and non-toxic.