How Things Work-12 year olds

Butterfly Pavilion

#13909403

$39.95

0 Each

Snap Circuits 500

#20158

$99.95 $75.95

1 Piece(s)

4.9 out of 5

Science Academy Kits: Rocket Lab

#13820946

$25.95

1 Piece(s)

4.0 out of 5

Physics Workshop

#28130

$54.95

1 Piece(s)

4.3 out of 5

Tin Can Robot

#40194

$16.95

1 Piece(s)

4.2 out of 5

Baking Soda and Vinegar Rockets Set

#63022

$37.95

1 Set(s)

3.8 out of 5

Snap Circuits Rover

#34023

$99.95

1 Piece(s)

4.5 out of 5

Snap Circuits 300

#17068

$79.95

1 Piece(s)

4.9 out of 5

Baking Soda & Vinegar Rocket Car

#48036

$21.95 $16.95

1 Piece(s)

3.2 out of 5

Magic Penny Magnet Kit

#13741755

$25.95

1 Piece(s)

4.8 out of 5

Baking Soda & Vinegar Rocket

#44146

$21.95

1 Piece(s)

3.0 out of 5

MudWatt Science Kit

#13777322

$39.95

1 Piece(s)

Thames & Kosmos Wind Power 2.0

#48106

$49.95

1 Piece(s)

4.2 out of 5

SmartLab Toys Smart Circuits

#13763934

$49.95

1 Piece(s)

5.0 out of 5

Everyday Science Kits: Set of 3

#57038

$39.95

1 Set(s)

3.0 out of 5

Alnico Science Kit

#13742348

$21.95

1 Piece(s)

Magnet Science

#58037

$14.95

1 Piece(s)

3.6 out of 5

More Mysteries of the Universe Books: Set of 2

#13758055

$27.95

1 Set(s)

5.0 out of 5

Mac Makerson Chocolate Milk Tornado

#13783354

$24.95

1 Piece(s)

2.0 out of 5

UNBORED: The Essential Field Guide to Serious Fun

#68028

$24.95

1 Piece(s)

3.7 out of 5

Sound Science Edison Phonograph Kit

#13730162

$29.95 $19.97

1 Piece(s)

4.0 out of 5

Deluxe Magic Set

#44091

$39.95 $29.95

1 Piece(s)

4.7 out of 5

Thames & Kosmos D.I.Y. Microscope Kit

#13756395

$24.95 $14.97

1 Piece(s)

1.0 out of 5

Bloomers! Veggie Growing Kit: Carrot & Cucumber

#13812605

$15.95

1 Piece(s)

Bloomers! Veggie Growing Kit: Tomato & Lettuce

#13812606

$15.95

1 Piece(s)

Brush Robot

#44080

$16.95

1 Piece(s)

4.5 out of 5

Bubble Science

#58038

$14.95

1 Piece(s)

Kitchen Science

#58036

$14.95

1 Piece(s)

4.9 out of 5

SkyRunner Remote-Control Flyer

#68395

$99.95 $49.97

1 Piece(s)

1.0 out of 5

Ready The Cannons!

#13772005

$12.95 $9.97

1 Piece(s)

Ranger Remote Control Metal Detector

#68301

$79.95 $39.97

1 Piece(s)

2.0 out of 5

Ultra Stomp Rocket Refills

#45201

$8.95 $4.95

1 Piece(s)

4.9 out of 5