CDX Blocks Fun Fair series includes working, interactive, building-block based model kits of classic amusement park rides. The tea cup fair ride building set has a crank-operated rotating platform with different colored teacups on top. By building and operating the building block models, your young engineer will have opportunities to learn about the properties of gravity, acceleration, momentum, potential and kinetic energy, all while playing! Details: Colorful tea cup fair ride design 230 pieces Realistic platform rotation with a gear system and crank Larger, custom molded parts ensure structural rigidity Parts are bagged by style and color for easy assembly CDX Bricks are compatible with the world's leading building block system For ages 10 and up