Mechanical Metal 3D DIY Mantis Assembly Model Building Kits 1000+PCS Color:Purple and there are suction magnets

and there are suction magnets at both ends

Single Cylinder Sterling Engine Thermoacoustic Engine Sterling Generator Scientific Experiment

four-wheel drive

This engine model don't have a water cooled version now

Mechanical Metal 3D DIY Mantis Assembly Model Building Kits 1000+PCS Color:Purple and there are suction magnetsMechanical Metal 3D DIY Mantis Assembly Model Building Kits 1000+PCSFeatures:. Unique Appearience: Purple mantis is an insect model assembled and designing by metal parts. The body is made of purple plastic shell, metal plates, screws and nuts, which restores the mantis expression in shape, whose eyes and front feet contain magnetic lamps while the fore and back wings are thin pieces of metal.. Movable Joint: The static model with a good playability,