HABA Whirlwind - Marble Ball Track Accessory Funnel (Made in Germany) Send your marble for a loop when it spins around and around the whirlwind funnel and down onto the next track! Contents include: 1 yellow metal whirlwind, 2 tracks, 4 round pillars, 2 rectangles and 6 glass marbles. Whirlwind measures 14" diameter. Great for developing hand-eye coordination and encouraging the imagination, kids love building and playing with interactive marble tracks. Made from solid beech wood that comes from sustainable forestry in Germany. A perfect addition to your existing HABA marble ball track set. Compatible with all HABA marble ball track sets and accessories as well as all HABA building block sets. Recommended for beginner to advanced builders ages 3 to 10.