Boys Building Sets for 12 Year Olds

Building Sets for Boys , 12 Year Olds; At ebeanstalk we choose the best developmental Building Sets for boys. Our team of child-experts review and test thousands of Building Sets . Then, they match every item to the ability of 12 Year Olds. It's because of this process that we at ebeanstalk can guarantee that boys have fun and learn.
  • Ebeanstalk Picks

    These are our FAVORITES. With so many to choose from, we wanted to give a hand to help you find the absolute coolest toys on the site. All Ebeanstalk Picks →

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Learn how a real engine works...that you get to assemble!- A real working battery powered 4-cylinder model engine with real lights and sounds. Watch the spark plugs fire and the valves open and close....
Age: 8 years - 12 years
$52.95$47.99 (9% OFF)
3.0
item offers
Build an atomically cool coaster with dueling action! Use over 850 K'NEX pieces to create a thrilling roller coaster building experience. 2 dueling cars twist, turn, and dive as they race through over...
Age: 9 years - 12 years
$87.95$79.99 (9% OFF)
4.0
item offers
This science kit is huge! Design and create your own 3-D Building model in just 3 easy steps. First set up your 18 x 24 inch work mat, then design a floor plan using the included floor templates. Next...
Age: 10 years - 12 years
$84.95$79.99 (6% OFF)
4.5
item offers
We only write this a few times...IF YOU ARE READING THIS, YOU HAVE TO GET THIS MARBLE RUN. IT IS BEYOND. - Skyrail roller coasters by the Italian award winning toy maker, Quercetti, are the only marb...
Age: 8 years - 12 years
$74.95$69.99 (7% OFF)
4.0
item offers