Bike enthusiasts will be geared up about this birthday cake. It's the perfect complement to a bike-themed party. Just start with a frosted 9- by 13-inch cake, decorate with a handful of colorful candies, and get ready to sing "Happy Birthday."
Wheels: Stretch 2 chocolate Cow Tails (such as Goetze's Cow Tales®) so that they are 9 inches long, shape them into circles, and place them about 2 inches apart. Cut Twizzlers Rainbow Twists® into ten 1-inch lengths and use them for spokes. Use frosting to glue an M&M's® candy onto the center of each wheel.

The frame: Break 4 to 5 candy sticks into the lengths specified in the diagram and arrange them atop the cake as shown.
Seat, handlebars: Cut 2 short lengths from a Twizzlers Twist® and use one for the bike seat. For handlebars, use a toothpick to push the ends of 3 Fruit Streamers® strands into the hole in the other Twist piece, and insert the opposite end into the cake.
Pedals: For the sprocket, tightly coil a Fruit Streamers® strand and top it with an M&M's® candy. For each pedal, stick a Pez® candy halfway into the cake and then connect it to the sprocket with a short Fruit Streamers® strand.
Scenery: Sprinkle green edible glitter grass under the bike and then outline the upper perimeter of the cake with small round candies.