4th Grade

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Showing 43–84 of 105 results

DIY Hydraulic Lifting Platform Kit
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Engineering Toys

DIY Hydraulic Lifting Platform Kit

$15.00
DIY Induction Automatic Storage Bucket Kit
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Science Toys

DIY Induction Automatic Storage Bucket Kit

$18.00
DIY Infrared Alarm Science Kits Plastic
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Physics Toys

DIY Infrared Alarm Science Kits Plastic

$15.00
DIY Infrared Remote Control Fan Kit
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Physics Toys

DIY Infrared Remote Control Fan Kit

$15.00
DIY Intelligent Tracking Line Car Kit
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Engineering Toys

DIY Intelligent Tracking Line Car Kit

$24.00
DIY Light Control Street Light Kit
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Science Toys

DIY Light Control Street Light Kit

$12.90
DIY Manual Electric Buoyancy Kit
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Physics Toys

DIY Manual Electric Buoyancy Kit

$15.00
DIY Mini Electric Fan Kit
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Physics Toys

DIY Mini Electric Fan Kit

$12.00
-43%
DIY Mini Solar Panel Powered Car Kit
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Best Sellers

DIY Mini Solar Panel Powered Car Kit

Original price was: $7.00.Current price is: $4.00.
-20%
DIY Mini Solar Power Station Model Kit
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Best Sellers

DIY Mini Solar Power Station Model Kit

Original price was: $25.00.Current price is: $20.00.
DIY Mobile Phone RC Car Kit
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Engineering Toys

DIY Mobile Phone RC Car Kit

$20.00
DIY Music Doorbell Electronics Kit
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STEM Toys for Kids

DIY Music Doorbell Electronics Kit

$10.00
DIY Optically Controlled Desk Lamp Kit
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STEM Toys for Kids

DIY Optically Controlled Desk Lamp Kit

$12.00
DIY Piano Music Box Kit
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Best Sellers

DIY Piano Music Box Kit

$15.00
DIY Rain Alarm Humidity Sensor Kit
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STEM Toys for Kids

DIY Rain Alarm Humidity Sensor Kit

$12.00
DIY RC Electric Racing Car Kit
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Best Sellers

DIY RC Electric Racing Car Kit

$20.00
DIY RC Robot Toy Building Blocks Kit
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STEM Toys for Kids

DIY RC Robot Toy Building Blocks Kit

$199.00
DIY RC Tracked Vehicle Model Assembly Kit
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STEM Toys for Kids

DIY RC Tracked Vehicle Model Assembly Kit

$32.90
DIY Remote Control Car Science Kit
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Best Sellers

DIY Remote Control Car Science Kit

$20.00
DIY Remote Control Solar Car Kit
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Best Sellers

DIY Remote Control Solar Car Kit

$20.00
DIY Remote Control Tank Kit
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STEM Toys for Kids

DIY Remote Control Tank Kit

$20.00
-40%
DIY Remote Control Wind Ship Kit
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Best Sellers

DIY Remote Control Wind Ship Kit

Original price was: $20.00.Current price is: $12.00.
-23%
DIY Repeater Kit
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Discounts

DIY Repeater Kit

Original price was: $26.00.Current price is: $20.00.
DIY Salt Water Eco-Fan Connex Kit
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Best Sellers

DIY Salt Water Eco-Fan Connex Kit

$15.00
DIY Scale Balance Kit
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Physics Toys

DIY Scale Balance Kit

$8.00
DIY Siege Ladders Kit
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Puzzle Toys

DIY Siege Ladders Kit

$20.00
-50%
DIY Solar Fan Kit
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Discounts

DIY Solar Fan Kit

Original price was: $10.00.Current price is: $5.00.
DIY Solar Hybrid Car Kits Plastic Material
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Solar Toys

DIY Solar Hybrid Car Kits Plastic Material

$8.00
DIY Solar Marble Run Track Ball Puzzle Kit
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Puzzle Toys

DIY Solar Marble Run Track Ball Puzzle Kit

$45.00
DIY Solar Mars Rover Model Kit
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Best Sellers

DIY Solar Mars Rover Model Kit

$15.00
DIY Solar Powered Car Kit
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Best Sellers

DIY Solar Powered Car Kit

$15.00
DIY Solar Stepped Track Ball Puzzle Kit
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Building Toys

DIY Solar Stepped Track Ball Puzzle Kit

$45.00
DIY Solar Wooden Dutch Windmill Kit
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Building Toys

DIY Solar Wooden Dutch Windmill Kit

$28.00
DIY Solar Wooden Tank Puzzle Kit
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Building Toys

DIY Solar Wooden Tank Puzzle Kit

$35.00
DIY Solar Wooden Track Ball Puzzle Kit
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Building Toys

DIY Solar Wooden Track Ball Puzzle Kit

$35.00
DIY Sun-Moon-Earth Geography Kit
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Science Toys

DIY Sun-Moon-Earth Geography Kit

$12.00
DIY Table Lamp Kit
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Puzzle Toys

DIY Table Lamp Kit

$12.00
DIY Telegraph Machine Model Kit
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Best Sellers

DIY Telegraph Machine Model Kit

$12.00
DIY Telegraph Trainer Kit
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Physics Toys

DIY Telegraph Trainer Kit

$12.00
DIY Tracked Tank Model Kit
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STEM Toys for Kids

DIY Tracked Tank Model Kit

$18.00
DIY Tracking Line Smart Car Kit
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Science Toys

DIY Tracking Line Smart Car Kit

$18.00
DIY Traffic Light Kit
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STEM Toys for Kids

DIY Traffic Light Kit

$18.00