15 uhltimate @uhltimate_548874 Magnetic Kickback - Reverse Gauss Cannon - Gravitrax Extension 174 4.9 663
15 uhltimate @uhltimate_548874 Powerful Magnetic Marble Cannon (Easy Reload) - Gravitrax Extension 99 4.9 560
11 JDO solutions @JDOsolutions_280237 Marble track - gauss cannons (gravitrax compatible by using my basic tile) 58 4.8 362
15 uhltimate @uhltimate_548874 Powerful Gauss Starter Cannon - 3D Printed Gravitrax Extension 54 5 208