Push truck forward or backwards pull along by the string or use to carry small objects/toys including the rainbow-colored blocks Includes 10 of Grimm's XL Color Charts in 10 different colors: oversized flat rectangular building blocks Manufacturered by Grimm's Spiel und Holz Design. Made from natural bass wood & certified safe water-based color stains; wheels roll along smoothly on many surfaces Truck measures 8.7 inches long; Color Charts XL measure 6.3 inches long Multi-use toy that will grow with your child from 1 year+: Inspires walking & crawling encourages fine motor skills creativity and imagination