Great first block and first puzzle set! This 4-piece block set will please animal-crazy kids and their eco-minded parents. Mix and Match and solve 6 animal puzzles with this great first block set. Made from rubber wood with child-safe stains, the play set develops creative thinking and problem solving skills. Modern Design And Vintage Materials These wooden blocks will be sure to charm your preschoolers with their adorable retro look. Made from rubberwood and finished with water based child safe stains!