Search query: marble run without marbles

Product: Quercetti Transparent Marble Run - 45 Piece Basic Building Set - Classic Construction Toy Perfect for Beginners Ages 4 and Up (Made in Italy)
Brand: Quercetti
Relevance: Exact
A great starter set for children aged 4 to 8 years. The simplistic design allows for open ended building in unique kid-powered configurations.
This 45 piece set includes 2 spinning wheels and starting gates for rapid marble release. It lacks advanced pieces of the larger sets allowing kids to focus on the basics without frustration.
Fully compatible with other Quercetti Marble run play sets (sold separately). The possibilites for future expansion are endless!
Kids will enjoy building without realizing they're learning scientific principles like gravity, momentum and torque. Quercetti has been proudly manufacturing educational toys in Italy for 65 years.
Contents include: 14 pillars/tubes/uprights, 4 base elements, 2 swirls,2 starting gates, 1 starting gate container, 10 marbles and 10 straight tracks.

Product: Marble Run: 123 Piece Set (103 Durable Pieces and 20 Marbles) Exclusively at MINDWARE!
Brand: MindWare
Relevance: Irrelevant
MindWare's Marble Run keeps attention spans rolling. Ready to roll? This marble run is designed to let you invent dozens of whirling, spinning paths for your marbles. This Marble Run from MindWare teaches logic, creative play, basic physics, fine motor and problem solving skills. Set up multiple entry points to create an exciting Marble Run. These durable plastic pieces will not easily break and interlock firmly to help support a more sturdy build. Assembly is easy: Simply slide each cylinder end into the next piece. If you column gets too tall, you might want to add one of the marble-catching feet or brace it with a second column attached by a slide connector. Our Marble Run comes in sturdy box with carrying handle for easy storage and travel.
No Hassle Creations: Marble Run is a MindWare favorite among youngsters and is the perfect introduction to marble runs with pieces that go together and pull apart with ease.
Toys that Teach: Exercise your hand-eye coordination and spatial skills while putting your imagination to the test. This is a great way to introduce children to trial and error.
Creative Play: Build a Marble Run track that twists, turns, races and spins marbles at incredible speeds!
Endless Possibilities: These brightly colored chutes, tubes, drop-throughs, merry-go-rounds and spinners stack and click together to create hours of engineering fun.
Includes: 103 durable pieces and 20 marbles. (Ages 4 and up)