• INTRICATE DESIGN: Wooden marble run construction kit featuring 159 precisely cut pieces and 4 metal marbles, creating an engaging mechanical puzzle experience
• ASSEMBLY TIME WORKING MECHANICS: wooden 3d puzzles for adults Approximately 4 hours of focused building time required, perfect for those who enjoy detailed and methodical construction projects,Features an intricate gear system and curved tracks that guide marbles through a mesmerizing perpetual motion display
• EDUCATIONAL VALUE: Marble runs for kids combines elements of engineering, physics, and problem-solving while building a fully functional marble run system with gears and tracks,Mechanical marble run construction set combines STEAM learning with hands-on building fun, perfect for developing problem-solving skills
• DIMENSIONS: Wooden puzzles for adults compact tabletop size with detailed mechanical components including a large gear wheel, curved tracks, and multiple marble pathways,Assembled model measures approximately 10 inches in length, 8.27 inches in width, and 6.5 inches in height, making it an ideal display piece
• EASTER GIFTS POTENTIAL:Wooden marble run ideal challenge for adults and 3d puzzle enthusiasts who enjoy hands-on construction projects and mechanical engineering