Under $20

New discoveries await inside this Hidden Pictures puzzle book! Featuring over 100 science-themed scenes and more than 1,800 hidden objects to find ...

Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marb...

Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marb...

Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marb...

Lost your marbles? Get more! This is a pack of 7 metal replacement marbles for the Gecko Run marble run system.

Eeek! It's a bug! What prankster let this HEXBUG nano in here? Discover creepy crawly fun with a tiny, collectible, micro robotic creature. Its mov...

Curious kids have a blast learning how projectiles work and building their own catapults, slingshots, and crossbows with this kit. Following the gu...

From the rain in the sky to the grass at their feet, help your child understand the world around them with the guidance of this fun and exciting in...

It's pure bottled magic! A science experiment kit that's as much fun as a bubbly soda!Pop Bottle Science presents 79 easy, hands-on experiments th...

Put your mind to the test to solve twenty fun science-themed mysteries in Sleuth & Solve: Science!How does a wildlife photographer know that an...

It’s hands-on science with a capital “E”—for engineering. Beginning with the toppling of the Colossus of Rhodes, one of the seven wonders of the an...

Stand back! Genius at work! Encase your little bother in a giant soap bubble. Drop mentos into a bottle of diet soda and stand back as a geyser eru...

Get ready for the electrifying biography of Nikola Tesla--part creative genius, part mad scientist, and 100% innovator.When Nikola Tesla arrived in...