Magna-Tiles Undersea Adventure 58 Piece Set

Dive into big-time imagination with Undersea Adventure, a 58-piece magnetic building set that turns any surface into a colorful underwater world. Kids can build domed observation pods, pop open trapdoor tiles, and send divers splashing into the scene alongside a dolphin, shark, sea turtle, and octopus. With new sensory tiles, soft coral and octopus tentacle pieces, and ocean wave graphics, every build feels like a brand-new deep-sea mission to explore.

Developmental:
Encourages hands‑on exploration of motion, gravity and cause‑and‑effect as kids test, tweak and redesign their tracks, while supporting spatial reasoning, problem‑solving and fine‑motor skill development.

Great for Gifting:
Perfect for Rail Racers fans, vehicle lovers and kids aged 5+ who love engineering challenges and dynamic, fast‑paced play.

More to Explore:
Combine with the Rail Racers 33‑Piece Set or any classic MAGNA‑TILES set to build an even bigger world of ramps, bridges and high‑speed adventures.

Always Compatible:
All pieces are fully compatible with other MAGNA‑TILES sets, allowing kids to mix, match tracks and tiles to build bigger worlds every time they play.

Safety Guaranteed:
Built with MAGNA‑TILES’ signature lattice design and secure fastening rivets to keep magnets safely enclosed for durable, frustration‑free racing and rebuilding.

Superior Quality:
Made from food‑grade, non‑toxic MABS plastic, free from BPA, phthalates and latex, with kid‑friendly magnets for sturdy builds and easy separation.

Made With Purpose:
Designed for child‑led, instruction‑free play rooted in Meaningful Play – fun, engaging, experience‑based and truly developmental.

Meaningful Play, that is: Fun. Interactive. Experience‑Based. Child‑Led. Developmental