2WD Double Deck Smart Car Robot Chassis Kit Arduino MCU tracing DIY

Description:Outline Size: 135mm*135mm*80mmThe round acrylic plate diameter: 130mmAnother acrylic plate size: 135mm*75mm Packing List:1pcs round acrylic plate1pcs acrylic baseboard2pcs 65mm wheel1pcs universal wheel2pcs gear motor4pcs "T"mode fixed motor bracket12pcs M3X10mm screw8pcs M3 nut4pcs M3X12+6mm copper cylinder4pcs M3X30mm two-way copper columnFew extra screwAssembly:https://www.youtube.com/watch?v=NNTq2X-sur8