CLEARWATER, Fla. — When 10-year-old Annika Emmert patted Winter the dolphin’s smooth back at the Clearwater Marine Aquarium on Thursday, she thought that was the best part of her morning.

She was wrong.

Cozi Zuehlsdorff, the actress who starred with Winter in the “Dolphin Tale” movies, set a cooler next to Annika. The girl opened it, thinking it was dolphin food.

“I was really surprised,” said Annika, whose eyes welled with tears when she saw what was inside. “I was like, that doesn’t look like fish.”

Instead, Annika — who was born without part of her right arm — was shocked to see a custom-made prosthetic limb, decorated with bright flowers. A bionic limb, if you will, that’s controlled by Annika’s muscles and electrodes.

The most remarkable part: The limb was created using 3-D printing technology. Read the rest of the story and watch the video at msn.com.