699 PIECE ALL-WOOD BUILDING SET - Build endless log cabins, houses, castles, and structures with this classic toy construction set 100% WOOD - Entire building set is high-quality wood, including the walls, roof slats, roof supports, chimney, and timbers. No plastic pieces! COMPATIBLE OTHER LOG SETS - Works with other fine toy building log sets. Just like the classic toy log building set you knew as a kid NATURAL & KID SAFE - 100% natural wood pieces are beautifully stained with non-toxic stain. Made from durable wood, sustainably harvested and environmentally friendly EDUCATIONAL BUILDING TOY - Develops STEM (science, technology, engineering, and math) capabilities. Encourages spatial reasoning, problem solving, and fine motor skills. A building toy for kids, toddlers and preschool kids age 3 years & up