Machines & Models by  "15 Year olds" and "9 years old"

Gearjits Treasure Box

Gearjits Coaster

Gearjits Pendulum Clock

STEM Machines Engineering Kit

LEGO Chain Reactions

LEGO® Race Cars

14-in-1 Educational Solar Robot Kit

Gearjits Solar System

Qboidz 30-in-1 Set

Gearjits Carnival Marble Coaster

Gearjits Gumball Machine Marble Coaster

Design Your Own Gumball Machine Kit

Gearjits Scout Rover

Gearjits Globe

Engino STEM Robotics Mini ERP 1.3

Engino Inventor Motorized Offroader

Hydraulic Boxing Bots STEM Kit

Engino Ultimate Programmable GinoBot

Geomag™ Mechanics Gravity Loops & Turns: 130 Pieces

Gearjits Telescope

Learning Resources Gears! Gears! Gears!® Mega Makers

Eblox Stories: The Cave

Elenco Snap Circuits^®: Light

Engino Inventor Motorized Race Car

E-Blox® Circuit Blox™ Class Set, 59 Projects Per Kit, 4 Kits

Quercetti Georello Tech Toolbox

Quercetti® Georello Tech Gears In Motion

Gearjits Video Projector

4-in-1 Cool Tool Replacement Wood Set

STEM Newton's Laws Engineering Kit