ROKR Marble Squad LG502

This is marble run set that will definitely surprise you. Build this 3D wooden puzzle with your hands and watch the marbles run smoothly through those trapdoors. All mechanical-driven, with no battery needed.

Description

• TRACK TRAPDOORS: A handcrafted marble run set with a whole back of trapdoor track. Build it with 239 building pieces and 10 marbles.
• MANY GEAR GADGETS: Consists of a wheel lifter, a stair stepper, 4 straight rails, trapdoors, and a block track. An intricate system of cogs, gears, and wheels, full of crazy twists and turns.
• STEM CONCEPTS: Learn principles of Science, Technology, Engineering, and Mathematics(STEM)
• HOBBY & GIFT: Precise laser cutting ensure you a fluent building experience. Also a great gift for family and friends.
• Age recommendation: from 14 years
• Material: Wood
• Certification: CE
• Puzzle Style: 3D Puzzle
• Warning: Small parts not for children under 3 years
• Assembled Size: 255 x 235 x 185mm
• Instructions: English