Kodomo Challenge for 5-year-olds. Educational toy that fosters creativity with colorful blocks. - Product Name: L-Jitsumiki - Contents: Blocks, guidebook - Colors: Red, green, yellow, blue - Features: Set of building blocks and a guidebook - Target Age: For toddlers This item was used by a child. There may be some minor scratches and signs of use, but it has been used relatively cleanly, so there are no noticeable stains. Thank you for looking.