Walmart has this huge 1500 pieces set for sale for only $39.98. You can get it before Christmas!
https://www.walmart.ca/en/ip/6000200551249
also there is a Duplo set on sale for the same price
LEGO DUPLO Classic Creative Animals 10934 Building Toy (175 pieces)
https://www.walmart.ca/en/ip/lego-duplo-classic-creative-animals-10934-building-toy/6000200549987