Academy da Vinci Clock

The Level Four is the perfect marble run set for those who have"graduated" from the beginner Space Rail sets.Featuring over 20 feet of track, this extreme set has many stunts, including:-Descending Spiral-Horizontal Helix-Loops-And More! Steel Balls Included: 4 Recommended Age: 10+Approximate Build Time: 10-20 Hours Assembled Dimensions (Approx): 24"L x 10"W x 14"H Perfect for STEM Students!

Multiple tracks create extreme variety and a mesmerizing set
Battery powered elevator for a endless marble runs - No need for a wall outlet
Build time of 5-10 hours for lots of marble run fun with kids and adults (great for building with your kids!)
Tons of cool stunts for extreme marble run ball coaster fun
Have fun while learning principles of physics and engineering wiht this great STEM toy and marble run game
Multiple tracks create extreme variety and a mesmerizing set
Battery powered elevator for a endless marble runs - No need for a wall outlet
Build time of 5-10 hours for lots of marble run fun with kids and adults (great for building with your kids!)
Tons of cool stunts for extreme marble run ball coaster fun
Have fun while learning principles of physics and engineering wiht this great STEM toy and marble run game

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SPACERAIL 4 level, 26000mm rail;