Robotime-ROKR Marble Night City is based on great human engineering. This marble track product combines the beauty of science and machine and includes so many small devices. It is a self-assembly 3D wooden puzzle with tower distributors and track racing balls. Assemble the set and turn the handle. Watch the marbles race down the slopes and around the twisting curves.
Break through material limitations and incorporate highly transparent acrylic. Add a funnel-shaped track to extend the total length to 2.5 metres.Turn the handle and the steel ball moves back and forth along the track to experience the creativity of precision engineering with this wooden marble run puzzle.
ROBUST FORTRESS: LGA01 Marble Night City is a handcrafted marble set with a striking fortress. Build it with 294 pieces and 10 marbles.
MANY DEVICES: Consists of a tower distributor, spiral inclines, a crane jack, a wheel jack, a short slider and small switches. Intricate system of gears, cogs and wheels full of crazy twists and turns.
STEM CONCEPTS: Learn the principles of science, technology, engineering and maths (STEM)
HOBBY and GIFT: Precise laser cutting makes for a smooth building experience. Also a great Christmas and birthday gift for family and friends.

Product details
– Material: wood
– Length: 22.8 cm
– Width: 21.4 cm
– Height: 32.5 cm
– Assembly time: 7 hours
– Difficulty level: 4
Content
– Pieces: 294