This work vehicle from Tamiya does require you to assemble it before driving, since it's a building kit. It comes in a 1:14 scale.
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TAMIYA TMYTAM56344 TAM56344 Leaf 56344 1/14 RC Grand Hauler Kit, Multicoloured
Jadlam Racing Models
TAMIYA RC 56344 Grand Hauler 1:14 Assembly Kit
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