ToysOffice SuppliesArts Crafts & SewingIndustrial & ScientificHome ImprovementHousehold EssentialsParty & OccasionsElectronicsHomeSports & OutdoorsBabyPatio & GardenAuto & TiresHealth and MedicineServicesShop with PurposeMusical InstrumentsShop by BrandSubscriptionsShop by Video GameCollectiblesFeature
Sort by|
ToysOffice SuppliesArts Crafts & SewingIndustrial & ScientificHome ImprovementHousehold EssentialsParty & OccasionsElectronicsHomeSports & OutdoorsBabyPatio & GardenAuto & TiresHealth and MedicineServicesShop with PurposeMusical InstrumentsShop by BrandSubscriptionsShop by Video GameCollectiblesFeature
Mechanical Kits(482)
Uses item details. Price when purchased online
Best seller Discovery™ #Mindblown Solar Vehicle Robot Science Kit, Hands on STEM toys, 197-Pieces
Discovery™ #Mindblown Solar Vehicle Robot Science Kit, Hands on STEM toys, 197-Pieces
4934.5 out of 5 Stars. 493 reviews
Save with
Best seller Best Choice Products Kids 4-in-1 Science Project Kit, STEM & STEAM Robot, Solar System, Soap, Weather Lab Experiments $16.99 Was $39.99
Now$1699
current price Now $16.99, Was $39.99$39.99
Best Choice Products Kids 4-in-1 Science Project Kit, STEM & STEAM Robot, Solar System, Soap, Weather Lab Experiments
1594.2 out of 5 Stars. 159 reviews
Save with
Best seller Best Choice Products Kids 4-in-1 Science Project Kit, STEM & STEAM DIY Maze, Water, Spider, Battery Lab Experiments $16.99 Was $39.99
Now$1699
current price Now $16.99, Was $39.99$39.99
Best Choice Products Kids 4-in-1 Science Project Kit, STEM & STEAM DIY Maze, Water, Spider, Battery Lab Experiments
2174.4 out of 5 Stars. 217 reviews
Save with
Hyper Tough 113 Piece 1/4 and 3/8 inch Drive SAE Mechanics Tool Set, New Condition $23.88
$2388
current price $23.88Hyper Tough 113 Piece 1/4 and 3/8 inch Drive SAE Mechanics Tool Set, New Condition
25 out of 5 Stars. 2 reviews
Save with
Best seller Discovery #Mindblown Model Engine Kit, with Moving Motor Parts And LED Lights $36.97
$3697
current price $36.97Discovery #Mindblown Model Engine Kit, with Moving Motor Parts And LED Lights
5564.4 out of 5 Stars. 556 reviews
Save with
Flash Deal TLGREEN 799pcs Mechanic Tool Set with Trolley Case, Complete Household Tool Kit for Home, Automotive, Garage & Dorm $89.99 Was $179.98
Now$8999
current price Now $89.99, Was $179.98$179.98
TLGREEN 799pcs Mechanic Tool Set with Trolley Case, Complete Household Tool Kit for Home, Automotive, Garage & Dorm
1364 out of 5 Stars. 136 reviews
AUOSHI STEM Robot Kit for Kids Ages 8+ 5-in-1 DIY Building & Robotics Crafts, Educational Science & Engineering Toy, Solar & Battery Powered Learning Gift for Boys and Girls $15.99 Was $31.89
Now$1599
current price Now $15.99, Was $31.89$31.89
AUOSHI STEM Robot Kit for Kids Ages 8+ 5-in-1 DIY Building & Robotics Crafts, Educational Science & Engineering Toy, Solar & Battery Powered Learning Gift for Boys and Girls
34.7 out of 5 Stars. 3 reviews
Save with
199-Piece Hand Tool Set, PROSTORMER Mixed Socket Wrench Household/Auto Repair Tool Kit with Toolbox Storage Case for Mechanical Repair, DIY, Home Maintenance $54.97
$5497
current price $54.97199-Piece Hand Tool Set, PROSTORMER Mixed Socket Wrench Household/Auto Repair Tool Kit with Toolbox Storage Case for Mechanical Repair, DIY, Home Maintenance
554.8 out of 5 Stars. 55 reviews
Save with
Flash Deal Klever Kits Electronic Circuits Toys 50+ Projects with Electronic Drill, Space-Themed STEM Educational Toy Science Kits for Kids Aged 5 6 7 8+ $29.49 Was $56.99
Now$2949
current price Now $29.49, Was $56.99$56.99
Klever Kits Electronic Circuits Toys 50+ Projects with Electronic Drill, Space-Themed STEM Educational Toy Science Kits for Kids Aged 5 6 7 8+
184.2 out of 5 Stars. 18 reviews
Save with
DIY Educational Building Space Toys, Solar Robot Toys 6-in-1 STEM Science Kits for Kids, Christmas Birthday Gifts for 8 9 10-12 Year Old Boys Girls $16.99 Was $19.99
Now$1699
current price Now $16.99, Was $19.99$19.99
DIY Educational Building Space Toys, Solar Robot Toys 6-in-1 STEM Science Kits for Kids, Christmas Birthday Gifts for 8 9 10-12 Year Old Boys Girls
564.4 out of 5 Stars. 56 reviews
Save with
Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit Build Your Own GIANT Hydraulic Amazing Gripping Capabilities Adjustable for Different Sizes Learn Pneumatic Systems $29.99 Was $40.95
Now$2999
current price Now $29.99, Was $40.95$40.95
Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit Build Your Own GIANT Hydraulic Amazing Gripping Capabilities Adjustable for Different Sizes Learn Pneumatic Systems
394.4 out of 5 Stars. 39 reviews
DIY Solar Electric Car, Science Learning Experiment Kit, Transparent Gear Mechanical Design, Educational STEM Toy, Push and Go Motion, Kids Primary School Project
DIY Solar Electric Car, Science Learning Experiment Kit, Transparent Gear Mechanical Design, Educational STEM Toy, Push and Go Motion, Kids Primary School Project
4M Tin Can Robot Science Model 3635, 1 Each $9.95 Was $14.00
Now$995
current price Now $9.95, Was $14.00$14.00
4M Tin Can Robot Science Model 3635, 1 Each
624 out of 5 Stars. 62 reviews
Save with
ENJOMOR Beam-Type Stirling Engine Generator Model with Meter and LED Bulb, Metal External-Combustion Heat Engine for STEAM Education From $71.99
From$7199
ENJOMOR Beam-Type Stirling Engine Generator Model with Meter and LED Bulb, Metal External-Combustion Heat Engine for STEAM Education
Mega Cyborg Hand STEM Experiment Kit | Build Your Own GIANT Hydraulic Amazing Gripping Capabilities Adjustable for Different Sizes Learn Pneumatic Systems $49.00
$4900
current price $49.00Mega Cyborg Hand STEM Experiment Kit | Build Your Own GIANT Hydraulic Amazing Gripping Capabilities Adjustable for Different Sizes Learn Pneumatic Systems
Smartivity, Space Rocket, Science Kit, Wood, DIY STEAM Kit, Ages 6-14, Kids, Unisex $34.99 $28.92/lb
$3499
current price $34.99$28.92/lb
Smartivity, Space Rocket, Science Kit, Wood, DIY STEAM Kit, Ages 6-14, Kids, Unisex
Save with
SE-02 All Metal Reversible Horizontal Steam Engine & Boiler Kit with Street Lamp, DIY Model for STEM Education, Vintage Industrial Display & Steam Enthusiasts From $77.99
From$7799
SE-02 All Metal Reversible Horizontal Steam Engine & Boiler Kit with Street Lamp, DIY Model for STEM Education, Vintage Industrial Display & Steam Enthusiasts
professional 301 piece mechanic's tool kit sae and metric $299.99
$29999
current price $299.99professional 301 piece mechanic's tool kit sae and metric
44.8 out of 5 Stars. 4 reviews
Magic Watering Can Flower Building Block Set, Remote Control Automatic Rose Blooming, Mechanical Flower Kit, includes watering can, lights, and sound effects, for decoration and gifting. $58.87
$5887
current price $58.87Magic Watering Can Flower Building Block Set, Remote Control Automatic Rose Blooming, Mechanical Flower Kit, includes watering can, lights, and sound effects, for decoration and gifting.
Hot Single Cylinder Stirling Engine Generator Physics Invention Science Production Popular Phy Aids Teaching Experiment stirling kit Science Invention adults kits Invention $36.89
$3689
current price $36.89Hot Single Cylinder Stirling Engine Generator Physics Invention Science Production Popular Phy Aids Teaching Experiment stirling kit Science Invention adults kits Invention
Jesscasday DIY Electric Remote Control Lift Elevator Model Kits Inspire Hands on Abilities $9.52
$952
current price $9.52Jesscasday DIY Electric Remote Control Lift Elevator Model Kits Inspire Hands on Abilities
3D Printed Turbofan Engine Model, Motorized Aero Engine Toy with Battery Box for Aviation Enthusiasts From $40.79
13 options
Available in additional 13 optionsFrom$4079
3D Printed Turbofan Engine Model, Motorized Aero Engine Toy with Battery Box for Aviation Enthusiasts
Physics Experiment Pulleys Experimental Accessories Student $8.94
$894
current price $8.94Physics Experiment Pulleys Experimental Accessories Student
Homoyoyo 64Pcs Reduction Gears for DIY Projects with White Plastic for Hobbyists and Students $7.58
$758
current price $7.58Homoyoyo 64Pcs Reduction Gears for DIY Projects with White Plastic for Hobbyists and Students
6DOF Robot Mechanical Arm Clamp Claw Kit DOF Manipulator Industrial Grade Manipulator for Robotics
6DOF Robot Mechanical Arm Clamp Claw Kit DOF Manipulator Industrial Grade Manipulator for Robotics
52 out of 5 Stars. 5 reviews
Retrol SE-02 Steam Engine and Boiler Model, Reversible Horizontal Stationary Kit with Generator and Street Lamp, DIY Assembly for Desk Display, STEM Education, Ideal for Adult (100PCS) $342.99 Was $389.99
Now$34299
current price Now $342.99, Was $389.99$389.99
Retrol SE-02 Steam Engine and Boiler Model, Reversible Horizontal Stationary Kit with Generator and Street Lamp, DIY Assembly for Desk Display, STEM Education, Ideal for Adult (100PCS)
DIY Electric Fan Model DIY Kit DIY Electric Fan Kit Electronic Science Experiment Production Kit $9.59
$959
current price $9.59DIY Electric Fan Model DIY Kit DIY Electric Fan Kit Electronic Science Experiment Production Kit
Apollo Tools 95 Piece Mechanics Tool Set in Metric and SAE for Small Engine, Mechanical and General Repairs DT1242 $79.99
$7999
current price $79.99Apollo Tools 95 Piece Mechanics Tool Set in Metric and SAE for Small Engine, Mechanical and General Repairs DT1242
15 out of 5 Stars. 1 reviews
Stirling Engine Model Kit That Works, Mini All-Metal L-Shape Stirling Engine Model with USB Connector & Night Light for Physics Science Experiment Demonstration From $22.79
25 options
Available in additional 25 optionsFrom$2279
Stirling Engine Model Kit That Works, Mini All-Metal L-Shape Stirling Engine Model with USB Connector & Night Light for Physics Science Experiment Demonstration
Low Temperature Hot Air Mini Stirling Engine Motor Model for Physics $25.98
$2598
current price $25.98Low Temperature Hot Air Mini Stirling Engine Motor Model for Physics
RETROL SE-01 Metal Engine Model Kit that Works, DIY Stationary Beam Steam Engine Assembly Kit with Horizontal Boiler, Steam Power STEM Educational Gift for Hobbyists $395.99 Was $417.59
Now$39599
current price Now $395.99, Was $417.59$417.59
RETROL SE-01 Metal Engine Model Kit that Works, DIY Stationary Beam Steam Engine Assembly Kit with Horizontal Boiler, Steam Power STEM Educational Gift for Hobbyists
DDRIC Magic Watering Can Flower Building Blocks Set - Remote Control Automatic Bloom, 255 PCS Mechanical Flower Kit with Lights & Sound, Creative Flowers Botanical Block Decor for Home & Gifts (V) $76.99
$7699
current price $76.99DDRIC Magic Watering Can Flower Building Blocks Set - Remote Control Automatic Bloom, 255 PCS Mechanical Flower Kit with Lights & Sound, Creative Flowers Botanical Block Decor for Home & Gifts (V)
Premium Demonstration Dynamo w/ Hand Driver on Base - Eisco Labs $91.59
$9159
current price $91.59Premium Demonstration Dynamo w/ Hand Driver on Base - Eisco Labs
Hape: Junior Inventor: Three Experiment Kit- 36pcs, Wooden Building Toy Set, Mechanical & Movement STEM Learning, Science Playset, Kids Ages 4+ $21.99
$2199
current price $21.99Hape: Junior Inventor: Three Experiment Kit- 36pcs, Wooden Building Toy Set, Mechanical & Movement STEM Learning, Science Playset, Kids Ages 4+
Save with
PicassoTiles STEM Solar Powered Space Robot 6-in-1 Educational Engineering Building Toy Creative Renewable Energy DIY Science Kit
PicassoTiles STEM Solar Powered Space Robot 6-in-1 Educational Engineering Building Toy Creative Renewable Energy DIY Science Kit
334.1 out of 5 Stars. 33 reviews
Save with
Thames & Kosmos Catapult Engineering - 6-in-1 Maker Kit New $23.26
$2326
current price $23.26Thames & Kosmos Catapult Engineering - 6-in-1 Maker Kit New
15 out of 5 Stars. 1 reviews
Save with
DIY UFO Steam Engine Model Kits with Copper Boiler & Alcohol Lamp, Self-Assembly Spin Suspension Steam Engine for Physical Science Experiment Education From $48.99
11 options
Available in additional 11 optionsFrom$4899
DIY UFO Steam Engine Model Kits with Copper Boiler & Alcohol Lamp, Self-Assembly Spin Suspension Steam Engine for Physical Science Experiment Education
Robotic Arm DIY Parts Learning Kit Acrylic Maker Kit Single Claw Mechanical Arm with Servo $14.39
$1439
current price $14.39Robotic Arm DIY Parts Learning Kit Acrylic Maker Kit Single Claw Mechanical Arm with Servo
Masteelf Pulley System Kit for Physics Teaching, Science Experiment Tool with Pulley Blocks and Bracket for Student Learning $8.93
$893
current price $8.93Masteelf Pulley System Kit for Physics Teaching, Science Experiment Tool with Pulley Blocks and Bracket for Student Learning
V8 Engine Model Kit that Works for Adults, 1:3 Scale Metal Mechanical Simulation Engine DIY Assembly Model Kit for Physics Science Experiment, Gift for Adults (500+PCS) $799.99
$79999
current price $799.99