engineering scale

Thames & Kosmos Ooze Labs Soap & Bath Bomb Lab: Science Kit with Spatula, Guide, Test Tube, PH Strips

Acurit Drafting Tools & Drafting Kits - Essential Drafting Supplies for Professionals, Artists, Architects - Includes Triangular Scale, Erasing

Dissect It Salamander Lab

Hydropower

Taylor 22lb Stainless Steel Digital Kitchen Food Scale with Container Black/Gray: Oversized Display, 22lb Capacity

Thames & Kosmos Ooze Labs Colorful Crystal Lab: Educational Science Kit with Tools for Experiments

Learning Resources Beaker Creatures® Alien Experiment Lab - Ages 5+ STEM Activities for Kids, Experiments for Kids

Taylor 11lb Glass Platform Digital Food Scale: Kitchen Scale with LCD Display, Silver, Battery Included

Snap Circuits 300-in-1 Science Kits: Educational Electrical Circuit Board Toy for 2nd Grade Engineering Skills

Educational Insights Geosafari Jr. My First Microscope: Preschool Science Toy, Plastic, Battery-Powered

American Weigh Scales AWS Series Digital Portable Lightweight Pocket Weight Scale 250G x 0.1G - Great For Baking

Unique Bargains Steel Right to Left Read Sticky Double Scale Tape Measure

Snap Circuits Motion Science Kits: Educational STEM Toy for Grade 2, Includes Wires, LED, Switch, Base, Rubber Band

Saltwater Fuel Cell Robot

Ooze Labs: Visible Human Body with Squishable Organs

Snap Circuits Bric Structures: Educational Science & Engineering Toy for Grades 3-7

hand2mind H2-Ohhh! Water Science Lab Kit

Klever Kits 50+ Space Circuit Projects - STEM Electronics Kit with 46+ Components for Kids Ages 5-8+, Educational Science Toy for Young Explorers

Kids First Robot Factory: Wacky, Misfit, Rogue Robots

Kids First Intro to Gears

Digitz Portable Pocket Weight Scale High Precision Wooden Backlit LED Display 500G X 0.1G

Thames & Kosmos: Simple Machines