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Mechanics & Engineering for Boys Age 13 listings 1 to 52
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Mechanics & Engineering for 13 year old Boys
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Stomp Rocket® Super High Performance


Stomp Rocket® Super High Performance

Suggested Retail Price: $21.00
Today's Sale Price: $19.95
5% off retail...you save $1.05!




Ballista Kit

Ballista Kit

Suggested Retail Price: $20.00
Today's Sale Price: $17.95
10% off retail...you save $2.05!




Trebuchet Kit

Trebuchet Kit

Suggested Retail Price: $39.95
Today's Sale Price: $35.95
10% off retail...you save $4.00!




The Art of the Catapult

The Art of the Catapult

Suggested Retail Price: $16.95
Today's Sale Price: $15.95
6% off retail...you save $1.00!




Backyard Ballistics

Backyard Ballistics

Suggested Retail Price: $16.95
Today's Sale Price: $15.95
6% off retail...you save $1.00!




Building Bots Book

Building Bots Book

Suggested Retail Price: $26.95
Today's Sale Price: $22.95
15% off retail...you save $4.00!




Remote-Control Machines

Remote-Control Machines

Suggested Retail Price: $85.00
Today's Sale Price: $76.95
9% off retail...you save $8.05!




ATR - All Terrain Robot

ATR - All Terrain Robot

Suggested Retail Price: $70.00
Today's Sale Price: $62.95
10% off retail...you save $7.05!




PowerUp 2.0 Electric Paper Airplane Conversion Kit


PowerUp 2.0 Electric Paper Airplane Conversion Kit

Price: $16.99




Robotics: Discover the Science and Technology of the Future

Robotics: Discover the Science and Technology of the Future

Suggested Retail Price: $22.00
Today's Sale Price: $19.95
9% off retail...you save $2.05!


Make: Electronics

Make: Electronics

Suggested Retail Price: $45.95
Today's Sale Price: $41.95
9% off retail...you save $4.00!




Pathfinders Catapult Kit

Pathfinders Catapult Kit

Suggested Retail Price: $24.95
Today's Sale Price: $22.95
8% off retail...you save $2.00!




Mythbusters Science Kit - Crashes & Crack Ups

Mythbusters Science Kit - Crashes & Crack Ups

Suggested Retail Price: $25.00
Today's Sale Price: $22.95
8% off retail...you save $2.05!


Engino Inventor Basic Series - 30 Model with Motor

Engino Inventor Basic Series - 30 Model with Motor

Suggested Retail Price: $75.00
Today's Sale Price: $67.95
9% off retail...you save $7.05!




K'NEX Education - Gears

K'NEX Education - Gears

Suggested Retail Price: $44.00
Today's Sale Price: $39.95
9% off retail...you save $4.05!




Engino Mechanical Series - Pulleys

Engino Mechanical Series - Pulleys

Suggested Retail Price: $40.00
Today's Sale Price: $35.95
10% off retail...you save $4.05!


SparkFun Inventor's Kit for Arduino V3

SparkFun Inventor's Kit for Arduino V3

Suggested Retail Price: $119.95
Today's Sale Price: $99.95
17% off retail...you save $20.00!




Girder and Panel - 300 piece Hydrodynamic Deluxe Set

Girder and Panel - 300 piece Hydrodynamic Deluxe Set

Suggested Retail Price: $100.00
Today's Sale Price: $84.95
15% off retail...you save $15.05!




PLAY Toy Blog
4M Salt Water Power Robot

4M Salt Water Power Robot

Suggested Retail Price: $13.00
Our Price: $12.95




LEGO Mindstorms EV3


LEGO Mindstorms EV3

Suggested Retail Price: $399.99
Today's Sale Price: $358.95
10% off retail...you save $41.04!




Leonardo DaVinci Kits - Catapult

Leonardo DaVinci Kits - Catapult

Suggested Retail Price: $20.00
Today's Sale Price: $18.95
5% off retail...you save $1.05!




Leonardo DaVinci Kits - Paddle Boat

Leonardo DaVinci Kits - Paddle Boat

Suggested Retail Price: $20.00
Today's Sale Price: $18.95
5% off retail...you save $1.05!




Geomag Panels - 104 pc


Geomag Panels - 104 pc

Suggested Retail Price: $76.00
Today's Sale Price: $67.95
11% off retail...you save $8.05!




Adventure Series Techno Gears Marble Mania MineShaft 2.0


Adventure Series Techno Gears Marble Mania MineShaft 2.0

Suggested Retail Price: $96.00
Today's Sale Price: $84.95
12% off retail...you save $11.05!


Q-BA-MAZE 2.0 Zoom Stunt Set

Q-BA-MAZE 2.0 Zoom Stunt Set

Suggested Retail Price: $17.00
Our Price: $16.95




Jr. Scientist Mini Electric Guitar

Jr. Scientist Mini Electric Guitar

Suggested Retail Price: $55.00
Today's Sale Price: $49.95
9% off retail...you save $5.05!


Erector Evolution - Helicopter


Erector Evolution - Helicopter

Price: $149.99




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14-in-1 Solar Robot

14-in-1 Solar Robot

Suggested Retail Price: $39.00
Today's Sale Price: $35.95
8% off retail...you save $3.05!










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a Fat Brain Toys Gift Certificate
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