75% More Pieces Than Other Similar Sets, Up To 6 Players Can Play At The Same Time - We give you more blocks, more wrenches, more movable wheels, more plates, and more nuts & bolts than any other set. Because we're so confident you'll love our STEM Construction Engineering Building Blocks, it's backed by our No-Hassle Satisfaction Guarantee. If you don't love it for any reason, you can return it for a full refund. | Supports STEM Education - Designed to enhance your children's Science, Technology, Engineering, and Math skills. Improve your kids' imagination and creativity by challenging them to build their own cars, animals, robots and anything they can imagine! Our educational building blocks grow with your child, too! We include a large, full-color guide with 42 designs your kids can build, starting from easy for younger kids to advanced designs for older kids. | Gift A Toy That Encourages Your Child To Learn Through Play - Specially created to help your child develop hand-eye coordination, master fine motor skills, improve logical thinking, & boost vital problem solving skills. It's the ultimate toy that also promotes the importance of teamwork & collaboration, builds social skills, supports creativity, and improves imagination through interactive play. | Hassle-Free Enjoyment Guaranteed - Brickyard Building Blocks STEM Construction Engineering Kits are easy to wash and come with a sturdy storage box for quick and convenient cleanups. Each of the 163 bright, colorful, non-toxic pieces are certified Phthalate, Lead, Cadmium, and BPA-free. We invested in child-friendly materials and rigorous lab tests to make sure your kids are 100% safe from harmful chemicals. | New Superior Designs Give You More Ways To Play - Our bolts are custom designed with a built-in screwdriver slot so they can be used with either the wrench or the screwdriver to allow for even more ways to build. We also give you MORE tools than other sets: Four (4) dual-purpose "clicking" wrenches, a kid-friendly screwdriver, & a special combination wrench so more of your kids can play at the same time.

More Pieces Than Other Sets Of Similar Price - We give you 20% more blocks than other similar sets. It is the most value set on Amazon in terms of versatility and number of pieces | Greater Variety Of Blocks - While other sets contain only 2 different shapes of blocks (square and rectangular), Brickyard Large Building Blocks includes 9 different block shapes (including blocks with printed eyes), allowing for greater versatility, flexibility, and more ways to build | Bonus! Includes Building Ideas - At last, a building block set that includes a colorful building ideas guide in every box. This set contains enough building blocks to build 23 different figures at the same time | Compatible With Duplo - Works with all major brands. Because we're so confident you'll love this 100% compatible building block set, it's backed by our No-Hassle Satisfaction Guarantee. If you don't love it for any reason, you can return it for a full refund | Meets All U.S. Toy Safety Standards - We manufacture our products using only child-friendly materials and regularly conduct rigorous lab tests to make sure your kids are 100% safe from harmful chemicals. Your kid's safety is our #1 priority!

101 PIECES - The more the merrier! Our educational toys set has enough blocks, wrenches, moveable wheels, nuts, and bolts for up to 4 / 6 kids at one time. | LEARN & PLAY - Let your kid's creativity and imagination run wild! These STEM toys are ideal for a 4 year old, but provide educational fun for all ages | BOOK OF IDEAS - Spark the creative genius in your child with 42 designs for beginner, intermediate, and advanced builders in our tinker toys guide | SAFE TO USE - These bright, colorful, non-toxic building blocks for kids ages 4-8 are certified Phthalate, Lead, Cadmium, and BPA-free | GIFT IDEA - This holiday season, give the gift of learning! Our STEM toys for 5+ year old boys and girls are designed to help boost problem-solving skills, social skills, and more

THE LARGEST AND MOST COLORFUL WHEELS & TIRES PACKAGE SOLD ON AMAZON - At last, a premium quality compatible kit that contains enough wheels, tires, and axles to make 18+ movable cars at the same time. Because we're SO confident you'll love our wheels and tires set, it's backed by our NO-HASSLE SATISFACTION GUARANTEE. If you don't love it for any reason, you can return it for a full refund. | 100% COMPATIBLE WITH ALL MAJOR BRANDS - Compatible with Lego. Mix and build with your existing name brand building bricks. Tested and proven to work with all major brands of building bricks. Made of premium, high quality material that have been tested to comply with all U.S. toy safety standards and are free of lead, cadmium, and phthalates. | FREE BRICK SEPARATOR - Never struggle to pry apart brick pieces again. Separate connected bricks instantly and effortlessly with this amazing, easy-to-use tool. | MORE STEERING WHEELS, WINDSHIELDS, AND CHASSIS PIECES - This complete set includes wheels and tires for at least 18 car frames, steering wheels, windshields, and a large quantity of red, green, blue, and yellow car frame pieces. Excellent supplement to the STEM education curriculum. For other package sizes, see above. | THREE (3) DIFFERENT WHEEL SIZES - Easily create vehicles of different sizes with our popular large, medium, and small wheels. DISCLAIMER: LEGO is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this product.