Top 10 Erector Sets for Boys 12 yrs Old – Toy Building Sets

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1. Meccano


Meccano Erector, Motorized Movers S.T.E.A.M. Building Kit with Animatronics, for Ages 10 and Up

Meccano #ad - How will your young inventor build the future? The erector by meccano set 5, motorized movers, is a great S. T. E. A. M. Building kit for kids aged 10 and up. Includes: 196 parts, 1 maker tool, 1 Motor, 8 blueprints, 1 Instruction Manual.

Building kit for unlimited creations: give the young inventor in your life a fun and challenging new project – erector by meccano’s Motorized Movers! Inside a re-useable case, it makes it easy to create with cardboard, screw gauge and scorer, foam, edge guide, your future engineer will find everything they need to construct their own creations and animate them using a real motor! Construct with real tools and the maker tool: the maker tool gives your young inventor the freedom to turn anything into a part for their project! Equipped with a multi-spaced hole-punch, plastic – the possibilities are endless!.

Build again and again: this set makes it easy to find new ways to build! Use the instructions to create one way, so your young inventor can build, disassemble, and the blueprints included to create entirely new builds! The re-useable compact container keeps all parts in one place, then build again and again!.
BrandMeccano #ad
ManufacturerSpin Master #ad
Height9.3 Inches
Length2.5 Inches
Weight0.9 Pounds
Width12 Inches
Part Number6047098

2. K'NEX


K'NEX Imagine – Power and Play Motorized Building Set – 529 Pieces – Ages 7 and Up – Construction Educational Toy

K'NEX #ad - Watch your child’s creations come to life when you attach the battery-powered motor to them! Suitcase style packaging – fuel your child’s curiosity and let him look for inspiration everywhere by bringing this building set along on family trips! The handy, reusable box allows hassle-free carrying of this educational toy. Motor included – the k’nex power and play motorized building set is the only set on the market that includes a motor.

It comes with easy-to-follow instructions that will teach your child to create models such as racecars and aircraft. As they click the different parts together and discover how the building system works, fine motor skills, problem-solving skills, they’re strengthening hand-eye coordination, spatial awareness and exercising their imagination!. Parts guarantee – broken part?  missing part?  if you find yourself in need of a replacement for any reason, just give us a call!  We’ll get you what you need so that your child can get back to building as soon as possible. Building with k’nex puts children on a path towards a fundamental understanding of STEAM/STEM subjects.

Commitment to quality– k’nex rods and connectors are responsibly made in america at a landfill-free, ensuring that your child has a successful, zero-waste green manufacturing facility in Hatfield, Pennsylvania. Steamagination – it’s the connection of steam science, engineering, technology, arts & math with a child’s natural curiosity and creativity and it powers the fun of each and every K’NEX building set. Step-by-step guide – let your little one’s creative juices flow with this Power and Play Building Set. We test to the strictest quality and safety standards, trouble-free building experience.
BrandK'NEX #ad
ManufacturerK'NEX #ad
Height14 Inches
Length18.5 Inches
Weight3 Pounds
Width4 Inches
Part Number23012
WarrantyLifetime warranty against manufacturer's defects

3. Meccano


159 Parts, Erector by Meccano Rally Racer 10-in-1 Building Kit, Stem Engineering Education Toy For Ages 10 & Up

Meccano #ad - Durable metal components and real tools offer an authentic engineering experience. Meccablock electric motor brings racer to life and propels it on flat surfaces. Erector set lets kids create a sleek, motorized Rally racer or 9 other exciting variations. Takes approximately 1 to 3 hours to build, engineering, technology, encouraging the development of science, and math STEM skills. Includes: 159 pieces.
BrandMeccano #ad
ManufacturerSpin Master #ad
Height6.88 Inches
Length2.31 Inches
Weight1.25 Pounds
Width9.84 Inches
Part Number6044786
WarrantyNo Warranty



Education Science Experiment Kits for Kids Ages 8-12, CIRO STEM Projects | 12-in-1 Solar Robot Toys, 190 Pieces Building Set for Boys Girls

CIRO #ad - Kids can easily disassemble them after the building each robot. We recommend parents and kids work together to finish the first robot building while enjoying the process of family collaboration. 12-in-1 solar robot kit: this solar robot kit could be built into 12 different shapes of robots.

It can crawl, roll and float under the direct sunlight which allows children to understand the environmental concept of green technologies and renewable resources. Educational gift for ages 8+: by assembling and building different solar robots from simple level to complex, this STEM toy not only develops the mechanical skills of your little engineers, but inpires their imagination and creativity. Clear instructions: kids could complete the building by following the instruction manual step by step.

It is composed of 190 pcs, plates, including moving and connecting parts like gears, tires, and shafts. Solar powerd eco-friendly toys: this stem robot is powered by the sun and battery-free. We highly value customer feedback and provide 90-day free return policy. It is a great educational gift for children. Satisfactory service: ciro offers a wide range of toys and kits from STEM to crafts.
BrandCIRO #ad
ManufacturerCIRO #ad
Part NumberR215

5. Thames & Kosmos


Blue, Thames & Kosmos Structural Engineering: Bridges & Skyscrapers | Science & Engineering Kit | Build 20 Models | Learn about Force, Load, Tension | Parents' Choice Gold Award Winner, Compression

Thames & Kosmos #ad - Skill level: Intermediate. Includes 36-page, illustrated experiment manual and Assembly guide. Build 20 different models that each teach about force, load, compression, tension and more. Over 285 interchangeable building pieces.
BrandThames & Kosmos #ad
ManufacturerThames & Kosmos #ad
Height11.5 Inches
Length14.6 Inches
Weight1 Pounds
Width3.1 Inches
Part Number625414
Warranty1 year warranty against manufacturer defects



Various Vehicles Model Stem Toys for Boys Ages 13 and up Engineering Series, Iron Commander Mini Erector Sets for Boys Metal Building Set

IRON COMMANDER #ad - 6 building models: erector sets for boys include 6 different mini construction vehicles. And it is a perfect gift idea for birthday, Christmas or any occasions. Improve children's social skills: building is a great activity together with family or friends.

Stem educational toys: compare video games, phones and tablets. The boys educational toys don't require any batteries, just push and move. Improves imagination and develop hand-eye coordination through assembling. Our stem building toys encourage children to work together as a team, thus it improves parent-child relationship and enhances Children's social skills. Motherload 59pcs, road roller 49pcs, Bulldozer 59pcs, Forklift 50pcs, Crane 63pcs.

This toy building kit is designed to enhance your children's Science, Engineering, Technology, and Math skills. Gift for boys and girls aged 13 and up: the build toys are designed for aged 13 and up. Each set comes with real steel parts, Grab Steel Machine 63pcs, tools and detailed instructions in the box. Safe materials: our stem learning toys are made of high-quality Non-Toxic ABS plastic and metal.
ManufacturerShunJi #ad
Part NumberNo.816B 363-380

7. Schylling


Schylling Steel Works Mechanical Multi-Model Construction Building Kit

Schylling #ad - All steel construction, real steel parts. Your own imagination is the limit. Can be combined with other steel works sets to create even bigger models. For ages 8+. Step by step illustrated instructions and all tools needed to assemble.
BrandSchylling #ad
ManufacturerSchylling #ad
Height3 Inches
Length6 Inches
Weight1.72 Pounds
Width3 Inches
Part NumberSTWMMS
WarrantyNo Warranty



MALUVRIAN Erector Set STEM Toys Educational Toys Building Toys Construction Toys for Boys & Girls Toy Metal Erector Sets for Boys Age 8-12 yrs Old 236-Piece Building Kit

MALUVRIAN #ad - Safe & washable materials: this build sets for boys & girls erector set is easily cleaned and very durable. It is important to us that your kids and loved ones are 100% safe from harmful chemicals. We included a step-by-step guide showing how to connect pieces and build each model. Makes a great gift for the young builder, engineer, technology, it's backed by our NO-HASSLE SATISFACTION GUARANTEE.

Educational toys: metal building kit and model car kits for kids build mental acuity. Ages 8 & up: for full smiles and fun, it is recommended that adults provide support and/or supervision for younger builders. It's the ultimate toy that also promotes the importance of teamwork & collaboration, builds social skills, supports creativity, master fine motor skills, improve logical thinking, and improves imagination through interactive play. Great gift idea: this metal erector set, engineering, art and math.

Builders can follow the instructions guide or tinker around on their own. Because we're so confident you'll love our product, kids model kits, and car kits for kids to build sparks learning in Science, you can return it for a full refund. We created this product to help your young engineer and/or mechanic develop hand-eye coordination, & boost vital problem solving skills. We focused on using only child-friendly materials that passed rigorous lab tests. If you don't love it for any reason, or mechanic in your life.
ManufacturerMALUVRIAN #ad
Height1.78 Inches
Length13.59 Inches
Width9.45 Inches
Part NumberMT005

9. Meccano


Meccano Erector Ducati GP Model Motorcycle Building Kit, 358 Parts, for Ages 10 & Up, Stem Engineering Education Toy

Meccano #ad - Erector set lets kids create a model motorcycle while exploring real, applied engineering skills. The ducati desmosedici gp from erector by Meccano is recommended for experienced builders aged 10+.

Includes: 358 parts, 2 real tools, 1 sticker sheet, 1 instruction sheet for 1 Model. Not only fun and exciting, technology, this s. T. E. A. M building kit encourages young minds to explore and apply concepts from science, engineering, the arts and math. Construction time of 1 – 3 hours. An authentic recreation of the slick, iconic Ducati desmosedici GP motorcycle-completee with coil-spring suspension and multi-piece wheels.
BrandMeccano #ad
ManufacturerSpin Master #ad
Height7.8 Inches
Length1.9 Inches
Weight0.96 Pounds
Width12.7 Inches
Part Number6044538

10. Kididdo


Ages 6 7 8 9 10 11 12 Years Old, Boy Toys Gift, STEM Toy Building Sets for Boys 8-12, 361 Pcs Construction Engineering Kit Builds Dump Truck or Airplane 2in1 STEM Building Toy Set for Kids

Kididdo #ad - Diy educational s. T. E. M toy-our 2 in 1 construction blocks toy set design to improve your kids Skills Playing and figuring Out how to construct the parts into a full working toy Develops Creativity, problem-solving Skills, Logical Thinking, it can help kids learn collaboration and teamwork.

Super fun- super cool 2-in1361 pcs airplane & dump truck building bricks Set, will bring a smile to Your child face, fun way to learn while Playing with their first creation will keep Your little mechanic busy for hours. Age recomendation –our take apart stem toy set grows with your child! so why not have your child discover and learn through years of exploring this fundamental toy, 9, 8, Boys and girls Age 7, 10, 11+ Year Old.

Ideal gift satisfaction guaranteed -with our 100% risk-free money back guarantee its a win win for You and your child So why wait! Give it a try! Boys, Girls ideal gift idea for a birthday, Christmas, or any other occasions. Safety & quality! do you have a peace of mind that your little ones are playing with safe toys, free from toxins? We worry about it so you can be at peace! Our Engineering Blocks are toxin Free certified.
BrandKididdo #ad
ManufacturerKididdo #ad
Part Number2p3984567