Lightwave Detective (Qiji 3305-4)

About this set

The Lightwave Detective is a transforming mech/vehicle set from KEEPPLEY's Speed Rangers line, set number 3305-4, with 170 pieces on the box and a 2/5 difficulty rating aimed at ages 6+. The color scheme runs gray, black, red and yellow, and the build is a pulse battle car that converts straight into a mech trooper form—no disassembly needed, which is the main selling point here. That makes it a play piece rather than a pure display set. On the build side, get the transformation joints and chassis frame solid first, then add the outer armor and yellow accents; joint alignment decides how cleanly it flips between the two modes, and fixing a reversed joint later means pulling a fair number of parts. At 170 pieces and 2/5 difficulty, a 6-year-old can work through the instructions solo, so it works well as a first transforming build for kids. Adult builders after a small desk piece will get more hand time out of the dual-mode switching than from a static model.