Features Analog power for up to 22 Volts / 1.6 Amps (Not for digital/DCC systems) 100% Virgin Brass Rail Code 332 (0.332" high) solid rail. Ties are made of ultraviolet-stabilized HDPE Unique track geometry makes even complex track plans simple to build with only a few different track sections. Compatible with most other brands of G-Scale track for unlimited expansion possibilities. Sturdy push-together rail joiners are factory-formed to fit tightly to the rail profile. Made in our own factory in Germany. WARNING: CHOKING HAZARD - SMALL PARTS! NOT INTENDED FOR CHILDREN UNDER 3.