Special Offers

Grades 3 - 5 - Build 8 different replicas of real-world models, one at a time with K'N..

$39.99 $53.99

Grades 3 - 5 - You can build 7 different replicas of real-world models, one at a time, with t..

$39.99 $53.99

Grades 3 - 5 - Builds 7 different replicas of real-world models with K'Nex Gears. This e..

$39.99 $53.99

Grades 3 - 5 Build 13 different bridge models, one at a time. K'Nex bridges kit ..

$39.99 $53.99

Grades 5 - 9 The Kid K'Nex group set comes with big, soft, chunky pieces that can be use..

$54.99 $74.99

Computer Control STEM Building System - Grades 3 - 8 Build and control K’NEX models using the ..

$399.99 $709.99

Skill Level 0 - Beginner - Can you say WIGGLE?? The Wacky Wiggler will give you hours of rock..

$17.99

Skill Level 0 - Beginner - Zombies, Zombies, Zombies everywhere! Powered by standard Estes en..

$17.99

Skill Level 0 - Beginner - Amazon is as imposing as the name sounds. This giant towers almos..

$17.99

Skill Level 0 - Beginner - Zombies, Zombies, Zombies everywhere! Powered by standard Estes en..

$119.99

Skill Level RTF - The Estes Hi Jinks is a brightly colored, ready to fly, standard engi..

$14.99

Skill Level RTF - The Estes Rascal is a brightly colored, ready to fly, standard engine..

$14.99

Specifications - Single Pack, No Guide - This kit is a scale model of a “Bascule” bridge. - a drawbr..

$11.19 $18.79

This new edition of the “authoritative guide of model rocketry” shows you how to safely build, launc..

$22.39 $31.99

Skill Level 1 - Perfect for small groups and family rocket outings!The Planet Probe Cl..

$80.50 $115.00