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3rd Grade STEM Activities & Science Experiment Kits

(129 items)
STEM Aerodynamic Boomerang Craft Kit Educational Activities – Makes 12
STEM Aerodynamic Boomerang Craft Kit Educational Activities – Makes 12
Makes 12 #14474696
$21.99
 
 
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8" x 8 1/2" STEM Human Eye Activity Learning Challenge Craft Kit - Makes 12
8" x 8 1/2" STEM Human Eye Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14474709
$21.99
 
 
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2 3/4" x 5 DIY STEAM Balloon-Powered Car Learning Activities - 12 Pc.
2 3/4" x 5 DIY STEAM Balloon-Powered Car Learning Activities - 12 Pc.
Makes 12 #13781755
On
Sale
$19.98
9% OFF
(15)
 
 
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STEM Inventors Telephone Activity Learning Challenge Craft Kit - Makes 12
STEM Inventors Telephone Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14335173
$16.99
 
 
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DIY STEAM Balloon Poppers Activity Learning Challenge Craft Kit - Makes 12.
DIY STEAM Balloon Poppers Activity Learning Challenge Craft Kit - Makes 12.
Makes 12 #13959819
$6.79
 
 
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6" DIY STEM Activity Craft Sticks Catapult Craft Kits - Makes 12
6" DIY STEM Activity Craft Sticks Catapult Craft Kits - Makes 12
Makes 12 #13772396
$21.99
 
 
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STEM Color Your Own Air Rocket Activity Learning Challenge Craft Kit - Makes 10
STEM Color Your Own Air Rocket Activity Learning Challenge Craft Kit - Makes 10
Makes 10 #14145287
$15.99
(3)
 
 
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STEAM Zipline Activity Learning Challenge Craft Kit - Makes 10
STEAM Zipline Activity Learning Challenge Craft Kit - Makes 10
Makes 10 #13777876
$19.99
 
 
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STEM Hopping Grasshopper Activity Learning Challenge Craft Kit - Makes 12
STEM Hopping Grasshopper Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356210
$21.99
 
 
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STEM Levitating Fly Activity Learning Challenge Craft Kit - Makes 12
STEM Levitating Fly Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14241494
$19.99
 
 
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STEM Binary Coding Necklace Craft Kit - Makes 12
STEM Binary Coding Necklace Craft Kit - Makes 12
Makes 12 #14268546
$5.99
 
 
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Bulk Sun Dial Craft Kit - Makes 48
Bulk Sun Dial Craft Kit - Makes 48
Makes 48 #14386713
Kit
Price
$64.99
SAVE 18%
 
 
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STEAM Balloon Hovercraft Activity Learning Challenge Craft Kit - Makes 12
STEAM Balloon Hovercraft Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356044
$14.99
(2)
 
 
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STEM Design-a-Toy States of Matter Activity Learning Challenge Craft Kit - Makes 12
STEM Design-a-Toy States of Matter Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14422722
On
Sale
$19.98
9% OFF
 
 
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STEAM Flying Helicopter Activity Learning Challenge Craft Kit - Makes 12
STEAM Flying Helicopter Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356042
$16.99
 
 
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STEM Inventors Light Bulb Activity Learning Challenge Craft Kit - Makes 12
STEM Inventors Light Bulb Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14335172
$10.99
 
 
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STEM Cannon Activity Learning Challenge Craft Kit - Makes 12
STEM Cannon Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14268565
$27.99
 
 
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3" x 6" STEAM Color Your Own Rocket Pulley Craft Kit - Makes 12
3" x 6" STEAM Color Your Own Rocket Pulley Craft Kit - Makes 12
Makes 12 #13774804
$19.99
 
 
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STEM Starters Hydraulics Activity Learning Challenge Kit - 18 Pc.
STEM Starters Hydraulics Activity Learning Challenge Kit - 18 Pc.
1 Set(s) #13931013
$24.99
 
 
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5 1/4" x 5 3/4" STEM Sail Car Craft Kit Educational Activities – Makes 12
5 1/4" x 5 3/4" STEM Sail Car Craft Kit Educational Activities – Makes 12
Makes 12 #14474646
$21.99
 
 
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STEM Hydraulic Bridge Craft Kit Educational Activities – Makes 12
STEM Hydraulic Bridge Craft Kit Educational Activities – Makes 12
Makes 12 #14474644
$21.99
 
 
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STEM DIY Guitar Activity Learning Challenge Craft Kit - Makes 12
STEM DIY Guitar Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356057
$21.99
 
 
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8" x 10" STEM Early Coding & Programming Activity Books - 24 Pc.
8" x 10" STEM Early Coding & Programming Activity Books - 24 Pc.
24 Piece(s) #14474632
$7.79
 
 
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Bulk STEAM Levitating Fly Activity Learning Challenge Craft Kit - Makes 48
Bulk STEAM Levitating Fly Activity Learning Challenge Craft Kit - Makes 48
Makes 48 #14356149
Kit
Price
$64.99
SAVE 18%
 
 
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MagSnaps 100 Piece Set
MagSnaps 100 Piece Set
1 Piece(s) #68137
Clearance
Price
$59.97
50% OFF
 
 
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42" Color Your Own Solar System Educational Craft Kit - Makes 12
42" Color Your Own Solar System Educational Craft Kit - Makes 12
Makes 12 #13765399
$24.99
(3)
 
 
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STEM Pitch Sound Harmonica Activity Learning Challenge Craft Kit - Makes 12
STEM Pitch Sound Harmonica Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14268547
$15.99
 
 
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STEM Sweeper Machine Activity Learning Challenge Craft Kit - Makes 12
STEM Sweeper Machine Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356205
$16.99
 
 
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STEM Constellation Telescope Activity Learning Challenge Craft Kit - Makes 12
STEM Constellation Telescope Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356040
$24.99
 
 
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1" - 1 1/2" Bulk 240 Pc. Dynamic 3D Geometric Plastic Shapes
1" - 1 1/2" Bulk 240 Pc. Dynamic 3D Geometric Plastic Shapes
240 Piece(s) #60/3027
$27.99
(25)
 
 
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Geometric Shapes Bean Bags - 14 Pc.
Geometric Shapes Bean Bags - 14 Pc.
1 Set(s) #61/4010
$21.99
(4)
 
 
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Scholastic SuperScience Mysteries Kit
Scholastic SuperScience Mysteries Kit
1 Set(s) #13836016
$64.99
Shipped by Educators Resource
 
 
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Elenco Snap Circuits Set
Elenco Snap Circuits Set
1 Piece(s) #13831285
$122.99
Shipped by Educators Resource
 
 
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5 1/2" x 13 1/2" STEM Marble Run Learning Activities - Makes 12
5 1/2" x 13 1/2" STEM Marble Run Learning Activities - Makes 12
Makes 12 #14356203
$44.99
 
 
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MindWare® Q-BA-MAZE 2.0 Lights
MindWare® Q-BA-MAZE 2.0 Lights
1 Piece(s) #13908105
Clearance
Price
$19.97
71% OFF
 
 
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Educational Insights Nancy B Science Club Microscope
Educational Insights Nancy B Science Club Microscope
28 Piece(s) #13831312
$61.99
Shipped by Educators Resource
 
 
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High Interest Science - Coding, Programming...- Grades 4-5 (Set 2) Book Set
High Interest Science - Coding, Programming...- Grades 4-5 (Set 2) Book Set
6 Piece(s) #14364569
$89.99
Shipped by A Third Party Vendor
 
 
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Learning Resources Model Skeleton
Learning Resources Model Skeleton
1 Piece(s) #13831781
$40.99
Shipped by Educators Resource
 
 
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Dowling Magnets Alnico Science Kit
Dowling Magnets Alnico Science Kit
1 Set(s) #13831269
$34.99
Shipped by Educators Resource
 
 
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Scholastic Superscience Stem Instant Activities, Grades 1-3
Scholastic Superscience Stem Instant Activities, Grades 1-3
1 Set(s) #13836014
$59.99
Shipped by Educators Resource
 
 
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STEAM Classic Egg Drop Challenge Learning Activity Kit - Makes 10
STEAM Classic Egg Drop Challenge Learning Activity Kit - Makes 10
Makes 12 #13805648
$27.99
(2)
 
 
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STEM Bucket Towers Challenge Learning Activity Kit - Makes 12
STEM Bucket Towers Challenge Learning Activity Kit - Makes 12
Makes 12 #14422721
$21.99
 
 
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Learning Resources® Code & Go™ Robot Mouse Activity Set
Learning Resources® Code & Go™ Robot Mouse Activity Set
1 Set(s) #13817394
$77.99
 
 
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Rainbow Soap Science Kit
Rainbow Soap Science Kit
1 Piece(s) #13956185
On
Sale
$12.98
13% OFF
 
 
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STEM DIY Submarine Activity Learning Challenge Craft Kit - Makes 12
STEM DIY Submarine Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356051
$24.99
 
 
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STEM Bee & Flower Automata Activity Learning Challenge Craft Kit - Makes 12
STEM Bee & Flower Automata Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356052
$19.99
 
 
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STEM Pendulum Activity Learning Challenge Craft Kit - Makes 12
STEM Pendulum Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356208
$18.99
 
 
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STEM Tensegrity Activity Learning Challenge Structure Stand Craft Kits - Makes 12
STEM Tensegrity Activity Learning Challenge Structure Stand Craft Kits - Makes 12
Makes 12 #14474642
On
Sale
$19.98
9% OFF
 
 
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STEM Learning Activities Seesaw - Makes 12
STEM Learning Activities Seesaw - Makes 12
Makes 12 #14356058
$21.99
 
 
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Elenco Snap Circuits Pro 500 Experiments
Elenco Snap Circuits Pro 500 Experiments
1 Piece(s) #13835975
$171.99
Shipped by Educators Resource
 
 
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DIY STEAM Hand Fan Activity Learning Challenge Craft Kit - Makes 12
DIY STEAM Hand Fan Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356054
$19.99
 
 
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3" x 7" DIY STEAM Boat Learning Activity Craft Kit - Makes 10
3" x 7" DIY STEAM Boat Learning Activity Craft Kit - Makes 10
Makes 10 #13781759
$24.99
(3)
 
 
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DIY STEAM Balloon Drum Activity Learning Challenge Craft Kit - Makes 12
DIY STEAM Balloon Drum Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356056
$19.99
 
 
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42" Bulk Color Your Own Hanging Solar System Craft Kit - Makes 48
42" Bulk Color Your Own Hanging Solar System Craft Kit - Makes 48
48 Piece(s) #14356112
Kit
Price
$87.99
SAVE 11%
 
 
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Sun Dial Educational Craft Kit - Makes 12
Sun Dial Educational Craft Kit - Makes 12
Makes 12 #13797827
$19.99
 
 
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Learning Resources® Magnetic Wands - 6 Pc.
Learning Resources® Magnetic Wands - 6 Pc.
6 Piece(s) #13755802
$24.99
 
 
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STEM Bridge Activity Learning Challenge Craft Kit - Makes 10
STEM Bridge Activity Learning Challenge Craft Kit - Makes 10
Makes 10 #14105087
$30.99
 
 
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Learning Resources Model Human Body Anatomy
Learning Resources Model Human Body Anatomy
1 Piece(s) #13831780
$40.99
Shipped by Educators Resource
 
 
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STEM Balance Activity Learning Challenge Craft Kit – Makes 12
STEM Balance Activity Learning Challenge Craft Kit – Makes 12
Makes 12 #14422754
$21.99
 
 
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Learning Resources® Liquid Measurement Set - 19 Pc.
Learning Resources® Liquid Measurement Set - 19 Pc.
1 Set(s) #13777132
$56.99
 
 
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Learning Resources® Tumble Trax™ Magnetic Marble Run - 28 Pc.
Learning Resources® Tumble Trax™ Magnetic Marble Run - 28 Pc.
1 Set(s) #13755808
$44.99
(3)
 
 
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9" x 9" DIY STEAM Design Your Own Plane & Glider Kit - 10 Pc.
9" x 9" DIY STEAM Design Your Own Plane & Glider Kit - 10 Pc.
Makes 10 #13781757
$24.99
(2)
 
 
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STEM Pinball Activity Learning Challenge Craft Kit - Makes 1
STEM Pinball Activity Learning Challenge Craft Kit - Makes 1
Makes 1 #14356222
$37.99
 
 
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5 1/2" x 7 1/2" Nature Print® Sun-Sensitive Craft Paper - 12 Pc.
5 1/2" x 7 1/2" Nature Print® Sun-Sensitive Craft Paper - 12 Pc.
Per Dozen #12/1669
$9.99
(23)
 
 
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Engaging 3rd Grade Science Experiments & Projects

Spark curiosity in young scientists with our collection of third grade STEM activities that make learning interactive and fun. These hands-on projects align with educational standards while teaching core concepts through exciting experiments like hydraulic bridge construction and DIY kaleidoscope creation. Our 3rd grade science activity kits include everything needed for classroom success, from coding basics to physics challenges that demonstrate real-world applications. Teachers and parents love how these STEM projects for 3rd graders develop critical thinking while keeping students engaged. With options ranging from individual exploration kits to bulk supplies for entire classes, Oriental Trading makes it easy to bring STEAM activities to life. Explore affordable, teacher-approved resources that transform complex concepts into memorable learning experiences through tactile experimentation and creative problem-solving.