Thames & Kosmos Structural Engineering: Bridges & Skyscrapers | Science & Engineering Kit | Build 20 Models | Learn About Force, Load, Compression,

Thames & Kosmos Simple Machines Science Experiment & Model Building Kit, Introduction To Mechanical Physics, Build 26 Models To Investigate The 6

Thames & Kosmos Easy Electric Circuits STEM Kit | Essential Circuitry Set | 15 Experiments, 5 Motorized Models - Electricity, Current, Voltage, Leds &

Catapult Engineering 6-In-1 Kit

Thames & Kosmos Architectural Engineering | Science Experiment & Model Building Kit | Build 26 Models Of Structures & Structural Elements | A Parents'

Thames & Kosmos Mechanical Engineering: Machines & Vehicles STEM Experiment Kit | Build 20 Mechanical Models, Explore Physics Of Force & Motion |

Thames & Kosmos Roller Coaster Engineering STEM Kit | Design, Build, Experiment W/ Working Roller Coaster Models | Explore Physics, Forces, Motion,

Snap Circuits Light Electronics Exploration Kit | Over 175 Exciting STEM Projects | Full Color Project Manual | 55+ Snap Circuits Parts | STEM

Thames & Kosmos Catapult Engineering STEM Maker Kit, Build 6 Models Of Unique Medieval Machines, Explore Mechanical Physics, Includes Safe Foam Balls

Thames & Kosmos Windbots 6-In-1 Engineering STEM Kit | Build 6 Wind-Powered Bots, No Batteries/Electricity Required | Explore Wind Technology, Gear

Boomgood Machinist Square Set Engineer Precision Mini Wide Base 90 Degree Right Angle Ruler Hardened Steel 4 Pieces, Silver (BG-0326)

STEM Craft Kit - 25 Engineering Project Ideas - Invention Kit With Over 400Pcs Of Craft Wood, Propellers, Wheels, Hot Glue, Hydraulics And More

K'nex Education - Intro To Simple Machines: Gears Set - 198 Pieces - Grades 3-5 - Engineering Education Toy

IQ BUILDER | STEM Learning Toys | Creative Construction Engineering | Fun Educational Building Set For Boys & Girls Ages 3-10 | Top Blocks Game Kit

Triangular Engineering Scale Aluminum Ruler For Architects, Engineers And Students (12 Inches)