glowing marbles

Ravensburger GraviTrax Tunnels Expansion Accessory Set: Creative Educational Toy Building Components, Marble Run Expansion, 15 Pieces

Dan&Darci Dig a Dozen Gem Blocks Kit - 12 Real Gemstone Excavation Blocks with Tools and Learning Cards, Educational Gift for Kids

MindWare 125 Piece Aqua Maze Marble Run Toys

Globe Electric Squish 2pk LED Pebble Indoor Outdoor Tap Night Lights with USB Rechargeable Cable Included: Kids' & Baby Silicone Night Light

Luminous Galaxy Rainbow Ball - Black

fischertechnik Dynamic Plus Stop & Go Marble Run Construction Accessory

Break Open 2 Jumbo Geodes Earth Science Kit for Kids

CONNETIX Magnetic Tiles Pastel Classic Pack 56pc

MindWare Crystal Creations Hedgehogs: Warm Colors - Science and Nature - 2 Pieces

4M: KidzLabs - Moon Torch, Portable Projecting Toy Flashlight, Handheld, Kids 5+

Contixo STEM Building Toys, 65PCS Marble 3D Magnetic Run Tiles Learning Stacking Educational Blocks Set for Kids, Creative Play Construction Toy Gift

National Geographic Crystal Garden Science Kit

Motors & Generators

4M: Glow 3D Solar System - Glow-in-Dark Set, Ceiling Stick-Ons, Kids Room Decor

Wow in the World: The Ultimate High-Flying Air Rocket

Discovery #Mindblown Colossal Fossil Dig 15pc Excavation Kit

Lumabase 24ct Paper Luminaria Bags Gold Star

Learning Resources Beaker Creatures Bubbling Volcano Reactor: Kindergarten Science Kit with Activity Guide

Massive Erupting Volcano

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

Snap Circuits Nite Lite Science Kits: Educational Toy for Science, Technology, Engineering, Fine Motor Skills

Toysmith STEM Learning 80Piece Marble Run Building Toy Set, For Boys & Girls 3+