building kit

LEGO Speed Champions Lightning McQueen Toys - Disney Pixar Cars 77255

273pc Jungle Bucket of Crafts - Mondo Llama™: DIY Art Kit, Includes Pom Poms, Acrylic Material, Ages 6+

Cosmic Bucket of Crafts Set - Mondo Llama™: DIY Art Kit with Pom Poms, 336 Pieces, Ages 6+

Think Box Inventor's Box: Science Kit for Kids, Toys for 8 Years Old, Includes Storage Case & Wires

KiwiCo Colorful Chemistry

Think Box Gemstone Dig

Thames & Kosmos Hero Robot: Educational Technology Kit with Instruction Manual & Accessories

Smithsonian Mega Science

Smithsonian Amber Dig Value Kit

Smithsonian Dinosaur Fossils

Smithsonian Mars Dig Value Kit

Joyfy Science Kits for Kids, 85+ STEM Educational Experiments Toys Featuring Erupting Volcano & Crystal Tree, Birthday Gifts for Boys Girls Age 6-12

Klever Kits 36-in-1 STEM Robot Building Kit - Motor Robot Science KIt Educational Toys Creative Birthday Gift for Boys & Girls Age 8+

Joyfy 2 in 1 Microscope Set for Kids, Portable Microscope with 12 Specimen Slides, 60X-180X, Educational Science Kit STEM Toys for Kids Aged 5+

Klever Kits 2 in 1 Root Viewer Kit for Kids - Grow Your Own Plant, Interactive Plant Growing Kit, Educational Garden Set for Boys Girls Age 6+

Dan&Darci Squish & Learn Human Anatomy - Human Body Model - Science Kit for Kids - STEM toys - Birthday Gifts for Boys & Girls - Educational Toys

VEVOR Phlebotomy Practice Kit, IV Venipuncture Intravenous Training Kit, High Simulation IV Practice Arm Kit with Carrying Bag

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

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

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

Jurassic Dinosaur Fossil Dig Kit – STEM Excavation Set with 5 Dinosaur Skeletons, Tools & Educational Fun

Dan&Darci Glow in the Dark Dino Eggs - 12 Eggs with Mini Dinosaur Models and Learning Cards -Stocking Stuffer for Kids, Birthday Gifts, Craft Kit

Playbees DIY Mosaic Picture Frame Kit – Creative Craft Activity for Kids

Playbees Newton's Cradle 7 Beads Black

50PCs Microscope Kit Set in Carrying Box for Kids Educational Science Lab with 120X - 1200X Microscope Slides Specimens -Play22usa

Dan&Darci Galaxy Gems Planet Dig Kit – 9 Planets with Dazzling Gems, Jewelry-Making Hardware, and Learning Cards for Kids, Educational Gift for Kids

Dan&Darci Advanced Professional Rock Tumbler Kit – with Digital 9-Day Polishing Timer STEM Gift for Kids All Ages, Geology Toy

Toy Time Kids' Metal Detector Treasure Finder for Ages 3 and Up - 6.5" x 28.5", Black

Costway 70.8" Life Size Human Skeleton Model Anatomical Skeleton with Nerves System

JuzToys Fossils DIG Kit, Dinosaur Digging Kids Activities, Educational STEM Toys Playset

Flipo Kinetic Energy Koil Arm Spinning Science Educational Toy For Kids & Adults - 4 Pack

Playbees Plasma Ball 7" Purple