Astro Day at Kona Commons

"August" and his mom dig through Lego pieces to find the right part for his creation Saturday at Astro Day at Kona Commons. (Laura Ruminski/West Hawaii Today)

Kea Emia, right and Brycean Baculpo learn about the different types of lava rock from Meghann Decker Saturday at Astro Day at Kona Commons. (Laura Ruminski/West Hawaii Today)

Lukas Bukan creates a constellation at the Institute for Astronomy booth Saturday at Astro Day at Kona Commons. (Laura Ruminski/West Hawaii Today)

Virginia Aragon-Barnes of the Canada France Hawaii Observatory shows a keiki the "stuffed planets" Saturday at Astro Day at Kona Commons. (Laura Ruminski/West Hawaii Today)

DC, left and Carolyn Kaichi congratulate Phoebe Davis as winner of an astro skateboard Saturday at Astro Day at Kona Commons. (Laura Ruminski/West Hawaii Today)

Katherine Karson looks through a solar telescope Saturday at Astro Day at Kona Commons. (Laura Ruminski/West Hawaii Today)

Emily Peavy from Gemini Observatory talks about the moon with Esvin Martinez Saturday at Astro Day at Kona Commons. (Laura Ruminski/West Hawaii Today)

Jack Krzyzanowski tries on a pair of UV glasses Saturday at Astro Day at Kona Commons. (Laura Ruminski/West Hawaii Today)

Keiki to kupuna enjoyed the day learning about the cosmos through exhibits and hands-on activities at Astro Day Saturday at Kona Commons.