The Hot Wheels What-4 was a 1971 release that is an original design by Bob Lovejoy. The futuristic car features a forward cockpit and four engines, two on each side.

It can be found in a variety of Spectraflame colors and has a white tail fin that can be raised and lowered. The canopy is usually blue but a clear canopy is possible. The interior can be white, grey, or brown and the redline wheels are capped.

Included with the die-cast vehicle was a plastic collector’s button. It has a blue What-4 on a yellow background.

The What-4 is known for “crumbling”. Crumbling is when the body or base cracks and eventually breaks into pieces. This is caused by impure metals being used in the zamac alloy.

  • Manufactured:
  • Hong Kong
  • Stock No. 6001
  • Colors
  • Spectraflame Aqua
  • Spectraflame Blue
  • Spectraflame Green
  • Spectraflame Light Green
  • Spectraflame Magenta
  • Spectraflame Purple
  • Spectraflame Red
  • Spectraflame Rose
  • Spectraflame Yellow

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