Bindi Irwin's Daughter Grace Helps Dad Chandler Powell Build a Sandcastle at the Beach in Sweet New Video

Bindi Irwin's daughter is working on her sandcastle skills.

In a sweet video shared on her Instagram on Sunday, April 28, the nature conservationist's 3-year-old daughter Grace helps her dad Chandler Powell, 27, build a sandcastle as they spend time together at a beach.

Holding a stuffed animal, Grace watches Powell stuff sand into a mold, bending down to help pat the bottom of the bucket as Powell sets it on the surface. Irwin, 25, also included a sweet photo of herself with Grace sitting in her lap.

"Afternoon on the beach with my best friends. 🩵," Irwin wrote in the caption.

Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. 

Last month, Irwin honored her daughter on her third birthday, writing a lengthy caption on Instagram. In a post on her grid, the proud mom included a photo of a newborn Grace alongside a more recent one.

"Three years of being your mama. Happy Birthday to our strong, thoughtful, incredible daughter," she wrote. "I know you are destined for wonderful things in this world with your kind and beautiful heart."

"Walking alongside you on your life journey, watching as you as you grow in this world, that is and will be the greatest honour of my life. I love you for my entire existence."

Powell also shared a photo from his daughter's birthday party on Instagram, holding a cockatoo on his arm while his daughter looked in awe. Irwin could be seen in the background, clapping her hands as she watched the father-daughter duo.

"Happy birthday sweetheart 💕 My favorite memories have been made these past three years. Thank you for making me smile every day as big as Occa the cockatoo makes you smile," the proud dad wrote in his caption.

Earlier this month, Irwin praised her daughter's “remarkable” kindness toward animals in an Instagram post. In the sweet photo, Grace held a baby turtle alongside Irwin and Powell as they all wore Australia Zoo uniforms.

“Grace’s empathy and kindness towards animals is remarkable” Irwin wrote in her caption. ”She has the most compassionate heart. ❤️ We love you so much beautiful Grace.”