Modifiers has released a number of 1:64 Civics, Integras and Accords since 2002. Despite the small scale, the front hood opens, revealing an engine that can be modified with an air intake and a strut tower brace added. The seats and windows are also modifiable.
Here are the plastic blister packed 1st series. Notice the different packaging and contents even for the same car.
Black with black interior out of the package (20204B)
Modified Black with red interior (20204B)
Silver with black interior out of the package (20204A)
Modified Silver with red interior and blue tinted windows (20204A)