Klutz

Klutz Lego Gear Bots Science/STEM Activity Kit for 8-12 years

LEGO

LEGO Technic Planet Earth and Moon in Orbit Building Set, Outer Space Birthday Gift for 10 Year Olds, Solar System Toy for Imaginative, Independent Play, Room Décor for Boys & Girls, 42179

Thames & Kosmos

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

LEGO

LEGO Technic NASA Mars Rover Perseverance Building Toys - STEM Model Kit for Boys & Girls, Ages 10+ Years - Gifts for Birthdays - Detailed Set for Display - 42158

The LEGO® Engineer

Habow

Habow 852pcs Technic-Parts Gears-Axle-Pin-Connector Compatible with Mainstream Brands, Shock-Absorber Wheels Chain Link Frame Joints Differential Engine Kit. MOC Pieces for Toy Building Sets

KLUTZ Lego Race Cars STEM Activity Kit, Small

Scholastic

LEGO Gadgets (Klutz Science/STEM Activity Kit) 10.25" Length x 0.75" Width x 10" Height

Thames & Kosmos

Thames & Kosmos | Mechanical Engineering: Machines & Vehicles STEM Experiment Kit | Build 20 Mechanical Models, Explore Physics of Force & Motion | Hands-on, Introductory Science Learning for Ages 8+

Scholastic

LEGO® Chain Reactions: Design and build amazing moving machines

Thames & Kosmos

Thames & Kosmos Simple Machines Science Experiment & Model Building Kit, Introduction to Mechanical Physics, Build 26 Models to Investigate The 6 Classic Simple Machines

Sillbird

Sillbird 12-in-1 Solar Robot Building Kit STEM Gift for Boys Aged 8-13, DIY Science Educational Robotic Toys for Kids Teens Birthday, Powered by the Sun with 190 Pieces

ELEGOO

ELEGOO UNO R3 Smart Robot Car Kit V4 for Arduino Robotics for Kids Ages 8-12 12-16 STEM Science Kits Coding Gifts for 8 9 10 11 12 13 14 15 16 Year Old Boys Girls Teens Cool Engineering Building Toys

LEGO

LEGO Technic Yellow Motorcycle Toy - Building Toy for Boys & Girls, Ages 7+ - Model Kit with Detailed Features - Bedroom Decor for Kids - Gift for Birthdays - 42225

LEGO

LEGO Technic NASA Artemis Space Launch System Rocket Building Toy for Boys & Girls - STEM Learning & Space Toy W/3-Stage Launch Function for Kids, Ages 9+ - Idea for Birthdays - 42221

BrickBounty

BrickBounty 36 Pcs Power Functions Motor Set, Technical Parts & Motor Kit for STEM Assembled Building Block, DIY & MOC Brick Control Function Kit

ASTEM

ASTEM 100+PCS Technic Gears and Axles Compatible with Technic-Sets,Gears-Rack (Gears-Pins-Axles Differential New) for Car Building Brick Accessories Pieces Sets (Random Color)

LEGO

LEGO Technic Backhoe Loader Construction Toy - Building Toy Set for Boys and Girls, Ages 7+ - Educational Gift Idea for Kids Birthday with Usable Back Digger, Scoop, & Outriggers - 42197

Smartivity

Smartivity DIY Pinball Machine for Kids 8-14 Years Old | Global Award Winning Arcade Game | Build Your Own Pinball I Birthday Gift for Smart Kids | STEM Toy for Boys & Girls

Snap Circuits

Snap Circuits Jr. SC-100 Electronics Exploration Kit, Over 100 Projects, Full Color Project Manual, 28 Parts, STEM Educational Toy for Kids 8 +

LEGO

LEGO Icons Leonardo da Vinci's Flying Machine DIY Kit - Ornithopter Building Set for Adults, Ages 18+ - Craft for Home or Office Decor with Display Stand - Gift Idea - 10363

LEGO

LEGO Technic Kids Toy Car - Building Kit for Boys and Girls, Ages 10+, Makes a Cool Birthday Gift, Authentic Ford Trim & Details - 42213

BseSparklion

BseSparklion Diesel Engine Model Kit that Runs for Adults, MOC Mini Inline 4-Cylinder Diesel Engine Building Set with Motor, Compatible with Lego, Mechanical Engineering STEM Toy for Teens (1029 PCS)