calculate math

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

Motors & Generators

Thames & Kosmos Wind Power 4.0 Science Kit: Educational Toy for Grades 3-8, Includes Game Pieces

Dan&Darci Crystal Science Experiment Kit, Educational Gift for Boys & Girls, Cool Craft Kits for Kids

Discovery #Mindblown Colossal Fossil Dig 15pc Excavation Kit

Snap Circuits Beginner Science Kits: STEM Learning for Grades 3-6, Includes Instruction Guide

CATIGA 2025 Printing Calculator, 10-Key Adding Machine, Desktop Office with Paper Roll, Accounting & Finance, Business Use

Casio fx-300MSPLUS2 2nd Edition, Standard Scientific Calculator

Snap Circuits Snap FM Science Kits

National Geographic 12 Days of Magic: Science Kits with Activity Guide for Creative Thinking

hand2mind Head To Toe Human Body Science Kit with Storybook

Learning Resources Silly Science Fine Motor Sorting Set - 55 Pieces, Age 3+ Preschool Science Toys and Games

Hydropower

Thames & Kosmos Geared-Up Gadgets

CATIGA 12-Digit Desktop Calculator, Large LCD, Big Buttons, Solar & Battery Dual Power, Standard Functions for Office, Home, School - SD-1292

The Purple Cow Einstein Static Electricity Science Kit

Learning Resources Skill Builders Science - Human Body: Activity Guide, 1st Grade Educational Focus, Science Kits

YOUNG SCIENTISTS Magic School Bus-solar Energy

WILD! Science Mind Boggling Science Kit

Super Duper Bubble Gum Lab

CATIGA 12 Digit Thermal Printing Calculator, Ink-Free Adding Machine, 3X Faster Quite at 8.0 LPS, Tax Calculation, SP-2401

Sanrio Sanrio Hello Kitty 7.75 Inch Calculator

Educational Insights GeoSafari Jr. My First Telescope: Preschool Science Kit with Instruction Guide

RUSSELL + HAZEL Acrylic Calculator