Mini Finger Board Sports Skateboard with Endoluminal Metallic Stents educational Finger Toy 3 Bicycles 5 Skateboards Finger skateboard and bike are made of Endoluminal Metallic Stents Fingertip extreme sports, train the flexibility of your fingers and develop your brain Contains components and parts Small parts ,not for little child Size: 9.5cm*2.5cm*2cm((3.74"*0.98"0.79") Bike Size: 10cm*4.5cm*7cm