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OP0122 - Optimus Advanced Car DIY Kit (Plastic)
The Optimus Advanced Car DIY Kit (Plastic) is an enhanced version of the conventional chassis kit incorporated with servo actuated parallel steering that...
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130 brush motor creative wind powered car material kit students diy handmade science technology...
Only US$5.99, buy best 130 brush motor creative wind powered car material kit students diy handmade science technology small production experiment toys sale...