Marble Run Rolife: Night City
·A tough handcrafted Marble fortress with 227 building pieces and 10 marbles
·Intricate system of cogs, gears and wheels,full of crazy twists and turns. Consists of a tower distributor, spiral slopes, a crane lifer, a wheel lifter, a short slide and small switches
·Learn principles of Science,Technology, Engineering and Mathematics(STEM)
·Pre-cut wood sheets，easy to assemble
*Please note due to customs policy, wax, glue or battery may not be included in the package. You can use any glue or candles to replace them.
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