National Geographic Kids Junior Jumbo Marble Run – 80-Piece Ball Drop Toy by Blue Marble

Endless building, dropping, and exploration fun

Meet the National Geographic Kids Junior Jumbo Marble Run from Blue Marble — a bright, inviting set designed for toddlers and preschoolers to explore cause and effect through playful problem solving. With kid-safe balls and large, easy-to-grip building pieces, little builders can experiment with towers, twists, and marble drops in a safe, confidence-boosting way.

As children explore, they’ll feel the thrill of watching a marble race along winding tracks, then test new routes by reconfiguring the pieces. The design focuses on tactile interaction, clear visual cues, and hands-on discovery that grows with curiosity and dexterity.

What’s in the box

• 77 jumbo construction pieces crafted for stable, bump-free play
• 3 kid-safe balls that roll smoothly along varied tracks
• A durable storage bin with a reliable latch to keep everything together

Two starter courses, then limitless play

• Start quickly with two guided courses to spark immediate curiosity
• Then build custom ball drop paths and maze-like routes to reuse again and again

Play & Learn, on and off the floor

• Includes Play & Learn Cards with toddler- and preschool-friendly building ideas
• Ideas foster creativity, early problem solving, and spatial reasoning through open-ended play

Designed with care and recognized for excellence

Blue Marble’s products aim to blend education and imagination, earning recognition from the Toy Association as a Toy of the Year Award winner. A U.S. support team is available to help ensure a stellar experience. Cleanup is simple thanks to the included storage bin, making transitions between play and tidy-up time quick and easy.