Megahouse is releasing the Inside Fantasy Hedorah figures, small figures with partially revealed insides. These figures are 6.5cm tall (just over 2 and 1/2 inches), there are four color schemes, you can disassemble them, and they come with a bonus Hedorah tadpole version, they retail for 1,650 yen. They can be pre-ordered from multiple retailers with release scheduled for Jan 2027.