Shark Building Block Set, Sea Animal Building Blocks STEM Toys, with Swivelling Body and Light，with Display Stand for Adults, Marine and Mechanical Enthusiasts

Creative Shark Building Set: Multifunctional Design merges a semi-mechanical shark body with a gear-driven base – turn the knob to activate 3 moving joints (head/body/tail) and trigger neon green lighting for lifelike swimming action! Features dual-side display: realistic shark (with open jaw & adjustable fins) and exposed mechanical core for STEM learning and ocean role-play. This 21cm model develops dexterity and curiosity through hands-on assembly. Perfect gift for ages 8-12+, it doubles as eye-catching home/office décor for sea-life lovers.

• Realistic Marine Design: Meticulously crafted blocks replicate a real shark's appearance, capturing ocean-depth realism with an open jaw and adjustable fins for an authentic marine experience.
• Biomechanical Fusion: Unique half-mechanical build blends machinery and biology, featuring exposed gears and lifelike anatomy for a captivating steampunk aesthetic.
• Interactive Motion Lighting: Rotate a hand crank to illuminate mechanical parts and power a swinging action that mimics underwater shark movements, with three moving joints (head, body, tail) and neon green lighting.
• STEM Educational Toy: Hands-on assembly develops logical thinking and creativity, exploring engineering principles through play, suitable for ages 8-12+.