Robotime Marble track kit with crank drive (233 parts)

This is an entertaining 3D wooden puzzle toy with a large funnel marble run. Get ready for a race against time and speed with this amazing wooden marble run set!

ROKR Marble Parkour Big Funnel Marble Run LG501
Robotime-ROKR Big Funnel Marble Run LG501 is a 3D wooden puzzle featuring mechanical gears, based on great human engineering. Its design combines the beauty of science and machines, incorporating so many little devices. Build this Rokr marble run 3D wooden puzzle set and turn the handle to watch the marbles race down the slopes and through the winding curves. Have fun!

• FUNNEL TRACK: The LG501 Marble Parkour is a handcrafted 3D wooden puzzle set with a marble run and a large funnel track. Build it with 233 pieces and 10 marbles
• MANY DEVICE COMPONENTS: Includes a wheel lifter, a stair climber as an elevator, a spiral funnel, 2 straight tracks, 3 curved tracks, and a flip-flop as a switch to move marbles in 2 directions
• MINT CONCEPTS: Learn the principles of science, technology, engineering, and mathematics (STEM)
• HOBBY & GIFT: Precise laser cutting ensures a smooth building experience. Also a great gift for family and friends