LEGO NINJAGO Nya and Arin Baby Dragon Battle 71798 – Ninja Building Toy (Ages 4+)

Meet LEGO NINJAGO Nya and Arin’s Baby Dragon Battle (71798)

This beginner-friendly LEGO set invites budding builders ages 4 and up into a vibrant world of ninja adventures. Kids recreate moments from the Dragons Rising series, guiding Nya and Arin through exciting battles with two dragons, a sleek jet, and a hidden cave filled with energy crystals. The colorful pieces and accessible build steps make the magic of LEGO come to life in a quick, hands-on way.

The kit is designed to spark creative storytelling while developing early building confidence. From the edge of the jet to the glow of crystal-lit caves, sensory details—bright hues, movable dragon parts, and action-ready minifigures—help kids imagine dynamic, kid-led scenes without needing extensive instructions.

What’s inside

• 157 pieces spread across labeled bags that guide quick, sub-assembly builds
• 3 minifigures: Nya with a sword, Arin with a sword and grappling hook, and the Imperium Claw General with a sword
• 2 dragons, including a posable energy dragon with wings and a saddle for a minifigure
• Baby Riyu in a hidden cave setup with energy crystals for imaginative play
• Jet model and a compact play space for on-the-go adventures
• A Starter Brick to jump-start building progress
• Companion LEGO Builder app guidance for an intuitive, 3D building experience

Build and play benefits

• Beginner-friendly design helps new builders gain confidence as they assemble sub-models
• Three distinct play roles encourage cooperative storytelling and role-play
• The energy dragon’s movable head, wings, and tail inspire dynamic battle scenes
• The hideout cave with energy crystals adds depth to imaginative adventures

Digital guidance and progress

The LEGO Builder app supports a seamless build journey with intuitive navigation, 3D rotation, and the ability to save and track your progress. Kids can zoom in on details, revisit steps, and explore new angles as they bring the set to life.

Gift-ready play

Designed as a thoughtful gift for young ninja fans, this set blends action-packed play with early-building skills. It’s a compact, engaging option for curious hands and active imaginations, suitable for solo play or family building sessions.

Key specs

Jet measures a portable size for travel-inspired play, while the energy dragon and cave setup offer immersive, screen-free fun. With clear bag-based assembly and a starter base, kids can begin building quickly and enjoy multiple scenes from the Ninja universe.