Working Mother One of the Year's Best Toys Award Problem solving made fun! This exciting marble rolling game is both educational and fun, even parents like to sit down and help build new marble tracks. Hardwood blocks with grooves amp holes are combined in a variety of ways with the end result of 6 marbles ringing the bell to signal success. Large construction set with 42 beech wood pieces. Includes 6 glass marbles. Packed in a cardboard box. Clean with dry cloth. This toy is not intended for use by children under three years old. Small parts may pose a choking hazard. Made of Beechwood Various sizes Made in Germany Ages 3