stem challenges

Dan&Darci Mega Rock & Mineral Collection Activity Kit – 250+ Genuine Specimens, Real Fossils, & Activity Mat

VEVOR Human Anatomy Models Bundle Set, Brain, Human Torso Body, Heart, Skeleton Model Set of 4, Hands-on 3D Model Study Tools Teaching Models

SpiceBox Nature's Beauty 08257

Hape: Science Can: Tyrannosaurus Rex Dinosaur Fossil Dig Kit- 8+

Clementoni Science and Play: Greenhouse 61528

Wonders of Learning Tin Sets

Wonders of Learning Wonders of Learning Tin Set, Discover the Human Body

Supertek® Conduction Experiment

Yellow Door Pre-Coding Penguin Stones, Set of 18

Kaplan Early Learning Set of 4 All-Weather Magnifying Glass

Playbees Newton's Cradle 5 Beads Brown

Break Open 2 Jumbo Geodes Earth Science Kit for Kids

Dowling Magnets® Classroom Attractions Kit, Level 3

Clementoni Science & Play: Science Apprentices 61357

Clementoni Mars Exploration 615452 Science Exploration Kit

HamiltonBuhl Paleo Hunter Dig Kit for STEAM Education - All Five Dinosaurs

SpiceBox Stencil Book Christmas 56783

Dissect It Bat Lab: Educational Focus on Biology, Animals & Astronomy for 2nd Grade, Includes Tools & Guides

TickiT® Easy Hold Magnifier

Yellow Door Sensory Play Stones: Colorful Fish Set

Playful Minds: UFO Explorer - Lights & Sounds ET Outer Space Toy Set

VEVOR Human Skull Model, 8 Parts Brain & 3 Parts Skull, Life-Size Painted Anatomy Skull Model, PVC Anatomical Skull, Multicolored

Dowling Magnets Iron Filing Tube, Pack of 12

Hape: Junior Inventor: Science Experiment Toolbox - 32pc, Ages 4+