2-in-1 Voltage-stabilized Ignition Module for Dual-cylinder Methanol Engine ModelsFeatures:This two-in-one dual-head ignition module may be used with model toys with a two-cylinder methanol engine and can be adjusted to fit a No. 8 head.Specifications:Material: Electronic componentsWeight: 50gColour..

V8 Combustion Engine Model Building Kit STEM Toy Science Experiment  With the Playz Kids DIY Toy V8 Combustion Engine Model Kit THAT WORKS, LET YOUR KIDS GET HAND ON! In one immersive set, this miniature recreation of a vintage four-cycle internal combustion gasoline car engine teaches young m..