Gravitrax Expansion Tunnels

SKU: RAV-27623
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Earn 25 Bonus Points

Ready to add on to your existing Gravitrax set? Add stealth and surprise with 18 new elements. Straight, curved and vertical tunnels hide the marbles as they zip around the tracks. Test the Bernoulli and O-tracks to see how much speed you can generate and where you can
drop a marble to a level below. Note: this is an accessory and is meant to be used with Gravitrax building sets (sold separately).

Recommended for ages 8+