Pay in 4 interest-free payments of $28.75 Learn more
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Multiple connection types
Expandable Interlocking Design
Length -
4 - Loop Clips - Great for door handles
54 Essential Gray Cards
IMR Grand Prix clothes Multiple connection types363 Piece Premium Multi Lane Marble Racing Track Set The IMR Grand Prix is the largest set in the Impact Marble Racing lineup. With 363 pieces (283 track parts + 80 marbles), this is the ultimate marble racing experience for serious builders, families, and hobbyists who want maximum track complexity and the most intense head to head competition. The Grand Prix includes every track piece type in the IMR system: straightaways, turns, funnels, bumpers,
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