Today, Daniel is on a journey to explore Spike Town. He's excited to see all of the new sights.

Daniel decides to visit the town's tallest building, Spike Tower. He must take the river ferry in order to get there.

Build the river ferry to help Daniel visit the Spike Tower.

Here's your challenge: create the program that sends the river ferry to the Spike Tower.

Create the program. It sends the river ferry to the Spike Tower.

Test your program.

Modify your program to improve the river ferry ride.

Upgrade the river ferry for Daniel’s next journey.