How to build a kit for $500 (disclaimer: you don't need to spend $500, but this is what my kit consists of)

• Hot Wheels Track Builder Unlimited Playset Fuel Can Stunt Box ($26.99)

• Hot Wheels Set of 50 Toy Trucks & Cars in 1:64 Scale ($62.99)

• Hot Wheels Track Builder Car & MEGA Track Pack ($49.99) 

• Hot Wheels Curve Tracks Expansion Packs ($15.49) --- Order 2

• Hot Wheels Tracks Expansion Packs Track Pieces & Connectors 2 Blue 2 Red (Launcher), One Size ($12.74) --- Order 2

• Hot Wheels Tracks Expansion Packs Track Pieces & Connectors (Loop) 4 Pack ($19.99) --- Order 2

• Hot Wheels Track Builder Playset Multi Loop Box, 10-Ft of Track & 1 Toy Car in 1:64 Scale, Features Storage Box ($21.99)

• Hot Wheels Track Builder Playset, Multi-Lane Speed Box, 18 Component Parts with Storage, 2 Toy Cars in 1:64 Scale ($21.99)

• Hot Wheels Track Builder Unlimited Long Jump Pack ($14.99) --- Order 4

• Hot Wheels Track Builder Straight Track Set and Loop Kicker Pack ($32.99) --- Order 4

TOTAL = $472.31

Dollar Tree (2 foot long tracks / 2 per kit) = $1.25 each

Can order in bulk online 20 for $25 (might have to pay shipping but you can have delivered to your local store and go pick up which might save you shipping)

TOTAL for ALL = $497.31