GraviTrax: Expansion Spiral

Wondersaurus says:

Boost your Gravitrax adventures with the Spiral Accessory!

Description:

Perfect for kids aged 8 and up, this STEM toy unleashes endless creative possibilities, allowing marbles to twirl and race down in an exciting spiral. Compatible with all Gravitrax systems, it’s an excellent way to challenge young engineers and enhance their problem-solving skills. Recognized as the No.1 Marble Run System in the U.S., Gravitrax keeps play innovative and engaging.