Tracks:

wire:

• Steel (must be painted)

• Stainless Steel

• Copper

• Clothes Hanger

• Ceiling Hanger

wood - extra beauty possible

• Routed

• assembled

• bamboo skewers

plastic:

• 1/2 pvc pipe

• flexible tube

• plastic tubing - lots of support - either insert wire or support often

• clear acrylic.

Kits: - structure and track in one kit.

• legos - custom design - no pre-designed kits.

• kenix - motorized madness ball machine

• Taurus Toys - Block-N-Roll - enhanced Lego/Duplo compatable w/switches etc.

• Q-BA-Maze - 3 exit types (bottom, single, double)

• Hape- Quadrilla Marble Maze- Classic Wooden

• Learning Journey - Techno-Gears Mega Marble Mania

• Quercetti Marble Run Super Vortis, - Skyrail Marble Roller Coaster, Marble Run

• ? - Amaze-n-Marbles

• Think-Of-It - Frigits Deluxe - magnetic track for the refrigerator.

• House Of Marbles - museum - Wood and plastic runs

• Toys4Boys - Techno-Balls

• Bandai Spacewarp

• Heros - wooden

• Chaos - LARGE plastic

• Mega Bloks - Magnext iCoaster - no longer made?

• MindWare KEVA - contraptions

sheet metal - can be heavy

pipes - for bowling balls

paper/cardboard - limited life time.