Fish Tank Building Blocks Set - 830PCS Ocean Treasure Hunt Building Set With Adventure Boat Shark Jellyfish And Coral Reef STEM Toys Birthday Christmas Building Blocks Gift IdeaMaterial Safety And Rich Functionality

[Unique Undersea Treasure Hunt Theme]Build an exciting fish tank with this ocean discovery set! Featuring an explorer resuce boat, sunken ruins, treasure chest, and vibrant marine ecosystem (including shark, jellyfish, fish and coral reef) for endless imaginative play [Shipwreck Scenario & Interactive Salvage Boat]This building set features a meticulously designed detachable rescue boat with illuminated cabin (insert & turn key to activate the light), rotating gear mechanism to lower/raise the salvage cage, to dive for lost treasures among underwater ruins like a true deep-sea adventurer. The detailed salvage boat completes your underwater treasure hunting experience [STEM Education & Creativity Development]Develops critical thinking, problem-solving abilities, and fine motor skills - making it perfect STEM educational building toys for teens or adults. Excellent for family interaction and creative development [Ideal Gift for Ocean Adventurers]Even teens and adults will love such an exciting birthday gift as an adventure toy! This shipwreck exploration building set comes with a detailed instruction manual for easy building [Ultimate Marine Decor & Pirate Lover's Dream]The size 10.08\"L*5.36\"W*11.15\"H building block kit to build your dream underwater world and put it anywhere as a perfect decoration. Perfect for: Office desks - A conversation-starting centerpiece; Aquarium tops - Creates stunning underwater synergy; Bookshelves - Fits the product size; Gaming setups - Backdrop for pirate-themed battles