Brand: Dubie. Recommended for 18 months up. Box dimensions: 7 by 8 by 2.5 inches. Includes 12 non-toxic, child safe plastic puzzle pieces. 1:1 building block scale. Approximate size of each piece: 23.8 mm by 31.8 mm by 31.8 mm. Develops shape and color recognition, fine motor skills, hand-eye coordination, and cognitive skills. Promotes imagination and creative play.