Science & Exploration Sets features: This item is a novel kids educational toy. Made of material for durable and safe in use. Accompanying your child to play this blocks can effectively increase parent-child interaction and the parent-child relationshlp. A great gift for kids. Enrich their imagination and creativity. Features-Color: As Shown-Material: Wood-Size: 3.20X3.20X5.00cm/1.26X1.26X1.97in-This educational toy is designed for children use in many occasions, such as home, preschool, nursery, etc It would also stimulate themanipulative ability of your kids, and they will also enjoy themselves with this product We designed and manufactured it with the purpose of long time of using With its extraordinary durability, this product could be serving you well for years to come No harmful substances are used in the making of it since the well-being of our customers is what we are trying to care for.