7 Legos For Four Year Olds With Certificates - Online Training Courses. Lego duplo deluxe train set (10508) making it to 1st place of the top 10 lego sets for 4 year olds is the duplo deluxe train set. 7 of the best lego sets for boys.
7 of the best lego sets for boys. Free delivery sat, oct 29 on $25 of items shipped by. Some customers say this lego set isn’t worth the extra expense as it is one of the pricier lego models on the market.