Manta Ray 3D Metal Model Puzzle for Adults and Teens, Mechanical STEM Build Kit With Biomimetic Fin, Smooth 40 Degree Swing, Realistic Ocean Motion, Cool Desk Decor, Hands On Marine Science Project, Totally Addictive

Manta Ray 3D Metal Puzzle Kit, 108-piece for STEM Decor
✔️ 108-piece metal 3D puzzle kit with biomimetic manta ray fin and 2 modes

This 108-piece metal model puzzle assembles into a lifelike manta ray, perfect for desks, classrooms, and hands-on marine science demonstrations. No glue needed; the gear and crank system reveals motion piece by piece.

✅ 108 precision-cut metal pieces assemble into a dynamic manta ray model
✅ 40-degree fin swing creates a smooth lifelike swimming motion
✅ Dual dynamic modes: cruising with gentle fins; burst mode increases motion
✅ Multi-color system includes Ice Blue/Deep Blue/Red for energy; Amber simulates sonar
✅ No glue required; 2-hour hands-on build
✅ Unique kinetic art that doubles as a hands-on science tool

💡 What is a 3D metal puzzle kit good for? This handy kit helps you learn motion and mechanics through hands-on assembly. - hands-on learning of gears and crank mechanisms - engaging marine science demonstration for home or classroom - desk decor that sparks conversations about engineering - supports beginner-friendly STEM activities in maker spaces

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