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Impecca 12-Digits Bamboo Custom Carved Desktop Calculator - Walnut Color

Three HP 10bII+ Financial Calculator Black

CASIO® HR-170RC Mini Desktop Printing Calculator

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

Pinball Machine Maker: Gumball Rally

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

Smithsonian Mega Science

Thames & Kosmos Weather & Climate Lab

Nadexcoins C-270 Scientific Calculator with Black and White Graph Functions, Battery Powered

Young Scientists Series - Water, Capillary Action and Air

RUSSELL + HAZEL Acrylic Calculator

How Science Works - (DK How Stuff Works) by DK (Hardcover)

Victor 8 Digit Handheld Calculator with Cover in Bright Colors

Wow in the World: Kids’ Microscope & Biology Kit

Learning Resources Human Body Anatomy Model, Ages 8+

Impecca 12-Digits Bamboo Custom Carved Desktop Calculator - Cherry Color

National Geographic Ultimate Space Dig Kit Collection

WILD! Science Mind Boggling Science Kit