$34.24 $39.95
100% COMPATIBLE WITH YOUR EXISTING LEGO® BRICKS Mix and build with all major brand building bricks, including LEGO® bricks and Mega Bloks small building blocks.... View full product details
$20.80
WORKS WITH ALL MAJOR BRANDS Guaranteed compatibility with your existing LEGO® bricks, small Mega Bloks, and other major brands of building bricks. Our wheels/tires kits... View full product details
$33.42 $34.95
COMPATIBLE WITH MAJOR BUILDING BLOCK BRANDS Works with LEGO® DUPLO® and Mego Bloks medium-sized blocks. Also connects to Mega Bloks First Builders. FULL-COLOR BUILDING IDEAS... View full product details
$0.68
1x1 Blue Block for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.68
1x1 Green Block for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.68
1x1 Yellow Block for Brickyard STEM Construction Engineering Building Blocks View full product details
$21.81
WORKS WITH LEGO® BRICKS Compatible with LEGO® bricks and Mega Bloks small size building blocks. NEW & IMPROVED BASEPLATE WITH BOTTOM CONNECTIONS Our new design... View full product details
$0.15
2 Hole Blue Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.15
2 Hole Green Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.15
2 Hole Red Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.15
2 Hole Yellow Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$1.80
2x1 Green Block for Brickyard STEM Construction Engineering Building Blocks View full product details
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2x2 Yellow Block for Brickyard STEM Construction Engineering Building Blocks View full product details
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2x3 Blue Block for Brickyard STEM Construction Engineering Building Blocks View full product details
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2x3 Green Block for Brickyard STEM Construction Engineering Building Blocks View full product details
$2.13
2x3 Yellow Block for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.21
3 Hole Blue Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.21
3 Hole Green Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.21
3 Hole Red Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.21
3 Hole Yellow Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$37.64 $39.95
WORKS WITH ALL MAJOR BRANDS Guaranteed compatibility with your existing LEGO® bricks, small Mega Bloks, and other major brands of building bricks. Our wheels/tires kits... View full product details
$0.33
5 Hole Blue Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.33
5 Hole Green Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.33
5 Hole Red Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.33
5 Hole Yellow Plate for Brickyard STEM Construction Engineering Building Blocks View full product details
$20.94
WORKS WITH LEGO® BRICKS Compatible with LEGO® bricks and Mega Bloks small size building blocks. NEW & IMPROVED BASEPLATE WITH BOTTOM CONNECTIONS Our new design... View full product details
$33.30 $34.95
WORKS WITH LEGO® BRICKS Compatible with LEGO® bricks and Mega Bloks small size building blocks. NEW & IMPROVED BASEPLATE WITH BOTTOM CONNECTIONS Our new design... View full product details
Sold Out $39.95
WORKS WITH LEGO® BRICKS Compatible with LEGO® bricks and Mega Bloks small size building blocks. NEW & IMPROVED BASEPLATE WITH BOTTOM CONNECTIONS Our new design... View full product details
$0.26
Blue "L" Bracket for Brickyard STEM Construction Engineering Building Blocks View full product details
$24.45
WORKS WITH LEGO® BRICKS Compatible with LEGO® bricks and Mega Bloks small size building blocks. NEW & IMPROVED BASEPLATE WITH BOTTOM CONNECTIONS Our new design... View full product details
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Blue Bolt for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.67
Blue Clicking Wrench for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.07
Blue Nut for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.36
Blue Screwdriver for Brickyard STEM Construction Engineering Building Blocks View full product details
$23.57
WORKS WITH LEGO® BRICKS Compatible with LEGO® bricks and Mega Bloks small size building blocks. NEW & IMPROVED BASEPLATE WITH BOTTOM CONNECTIONS Our new design... View full product details
$0.26
Green "L" Bracket for Brickyard STEM Construction Engineering Building Blocks View full product details
$23.57
WORKS WITH LEGO® BRICKS Compatible with LEGO® bricks and Mega Bloks small size building blocks. NEW & IMPROVED BASEPLATE WITH BOTTOM CONNECTIONS Our new design... View full product details
$0.15
Green Bolt for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.67
Green Clicking Wrench for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.07
Green Nut for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.26
Red "L" Bracket for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.15
Red Bolt for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.67
Red Clicking Wrench for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.07
Red Nut for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.75
Red Wheel for Brickyard STEM Construction Engineering Building Blocks View full product details
$24.45
WORKS WITH LEGO® BRICKS Compatible with LEGO® bricks and Mega Bloks small size building blocks. NEW & IMPROVED BASEPLATE WITH BOTTOM CONNECTIONS Our new design... View full product details
$0.20
Red Special Combination Wrench for Brickyard STEM Construction Engineering Building Blocks View full product details
$0.26
Yellow "L" Bracket for Brickyard STEM Construction Engineering Building Blocks View full product details