According to my DB the lowest price is $66.99 for Orlandoo OH32N01 1/32 Trailer Car RC DIY Kit (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Length*Width*Height: 252*71*98mm, Wheelbase: 30mm, Scale: 1/32, Track Width: 58mm, Type: Unassembled kit
Latest coupon code price check (UTC time):
Banggood ($66.99)
Banggood warehouse is located in China. I have no active coupons for you right now. Is it a reasonable price for this item? This price is higher than average price ($66.20) for this item.
Link: Banggood product page
Price: $66.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG5c8593, BGGutscheine, BGToys8, BG8OFFCOUPON, TTBLACK5, BG4c7780, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8, BG5RCCar, BGeab4be, BGRCCar5
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for Orlandoo OH32N01 1/32 Trailer Car RC DIY Kit is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).