GoldieBlox: Construction toy featuring the world's first girl engineer character, Goldie Blox! Help Ruby Rails, Goldie’s BFF, build a gondola ride and soar high above Bloxtown! Combine plastic construction pieces and durable chipboard to construct the two towers, and connect them with a pulley to send Ruby swinging right over the kitchen sink. Introduces the real-life STEM concept of tension. Designed for tinkering and creative exploration, GoldieBlox toys build spatial skills and confidence in problem-solving. All GoldieBlox toys are intercompatible. Perfect for ages 6+. Comes with 32 pieces, including Ruby mini-figurine. Hundreds of how-to building videos online to help spark creativity in young engineers. Collect all 4 to complete the gang!