Your child will have endless fun creating a marble run with this colorful set. A mix of different pieces allow you to create horizontal and vertical paths with lots of twists and turns. See-saw pieces will randomly send marble left or right, while a other pieces tip the marbles sideways and change their direction. The mix of 79 pieces provide endless possibilities for reconfiguring the fun marble run. Warning: Choking hazard. Small parts. Not for children under 3 years Ages 4 and up 129 total pieces Includes 21 distributor blocks, 15 height adjusters, five stabilizer rings, 12 accelerator ramps, five hole-shutters, three big curve rails, two small curve rails, one S-shaped curve rail, one transparent block, one rotary tower, two catchers, one xylophone rail, 50 marbles, two double-sided spiral twists, one multi-function block, two red see-saw blocks, one green see-saw block, one blue see-saw block and one cotton bag Wood/plastic/steel/glass Imported