CLIFFHANGER

Encourage your kid to develop spatial thinking and an understanding of Science, Technology, Engineering and Mathematics (STEM) principles with this marble-run construction toy made with durable wood and nontoxic, water-based paints.

What it does: A German-engineered design inspired by Da Vinci Circle features spiral gutters to create more run-time for the marbles and a catcher to easily collect marbles at the end of the run. The playset can be reconfigured for endless layout possibilities.

Additional features: An enclosed guidebook.

Includes: 14 distributor blocks, three curve rails, a straight rail, a spiral twist, eight height adjusters, four stabilizer rings, six accelerators, two hole shutters, 50 marbles, two small and one large spiral gutters and one catcher.