Build a fun and fascinating electric air-trike using the power of a propeller. Learn the basic principles of electronics and mechanics. Complete the project by decorating with colorful stickers and decals.

With this kit, kids can build a multi-functional alarm with wooden timber slot materials. They will learn the basic principles of electronics and mechanics while protecting doors and windows! They'll also have fun placing the finished product in a good spot for startling intruders.

This educational kit allows kids to make dripping, bouncing slimes and semisolids as they experiment with goo. They will learn about the fascinating science of polymers.

This kit allows children to make their own crystal structures and multi colored chemical gardens. They can investigate the science of crystals with loads of activities and experiments.

With this unique kit, kids can discover how to mold bouncy balls and how to launch them into space. The kit educates children on the science of elastic collisions!

Grow your own banana plants from seed with the Banana Farm. These amazing plants will sprout in a matter of weeks and grow more than a foot in the first two months! The Banana Farm comes complete with everything needed to create your own island scene, including Banana Tree seeds and a decorative monkey. This product is a winner of the 2006 Parent-to-Parent Adding Wisdom Award.

Snap Circuits make learning electronics easy and fun. Kids follow the colorful pictures in the manual to build exciting projects, such as FM radios, burglar alarms, doorbells and more. Parts are mounted on plastic modules and snap together with ease. “Children can play with this kit for hours and hours and still have not completed all the projects the snap circuit kits have to offer,” Walter Larsen, national sales manager for Elenco, told TDmonthly.
— One retailer said in summer 2007 his store sells 25 Elenco units monthly. Five percent of 64 retailers said in August 2008 that Snap Circuits are a best-selling science product, reporting average sales of six units per month. Four of 38 retailers echoed the same a year later. “They’ve gone back to this game six or seven times,” between January and July 2006, said TDmonthly's homeschooling mom Susan Ledford.
— Any time TDmonthly asks specialty storeowners about top-selling science toys, Elenco's Snap Circuits heads the list. This simple electronics kit appeals to both girls and boys. By making science fun and easy, Snap Circuits earned a TDmonthly Classic Toy 2007 award.
—  As of 12/17/2012 this product had 4.8 out of 5 stars from 575 reviews on Amazon.com. Cons: One user said that her grandchildren were "not all that interested" in the Snap Circuits, and told her that they would prefer LEGOs on their birthday.

Kids can make an erupting volcano, complete with light and sound effects, using this kit.

Over 30 fascinating activities all about weather and climate. Build your own barometer, weather vane, rain gauge and hydrometer.

The Soundtracker will react to sound impulses and objects in its way. It will reverse away from a sound or obstruction, than move forward.

Learn and build your own AM/FM Radio Kit. Safe,solderless,educational and fun!

Gear Drive Operation-Learn how motors,gears and pulleys put things in motion.

Teaches you how a telephone works! No special tools are needed to build this telephone. Includes the latest features such as last number redial,mute,flash,pulse/tone switch,ringer on/off switch. Full color assembly manual.

Easy to build-Press & release the switch and watch the saucer rise into the air!

A great gift for the inquisitive kid who’s not squeamish. Kids grow their own friendly germs and fuzzy molds and can even mix up a batch of coagulating fake blood. If they really want to, they can make a stinky intestine. No matter what, they learn the science behind unmentionable bodily functions while doing some truly nasty experiments.
— Sandra Tollinger, salesperson at Growing Tree Toys, State College, Penn., said that the Disgusting Science kit is one of their best sellers. “Boys really like it.”
— The owner of Cheeky Monkey Toys in Menlo Park, Calif., pointed out that the “Scientific Explorer Kits are the best selling toy for 9 to 12 year old boys.”
— “The Scientific Explorer kits are great sellers for me,” explained Jeff Boss, owner and president of Brain Builders, Moorepark, Calif.

It’s the only lab kit that allows kids to cut open Frankenstein, remove his gooey organs, and view them under a microscope! With a mad scientist-style “viewing station,” kids with strong stomachs get an “experiment”-ready Frankenstein with chest opening and multiple monster organs. It includes a kid-friendly tweezers and scalpel.
— Sally Jenkins, assistant manager at the Toys “R” Us in Orlando, Fla., said that “little boys love this kit. It’s very gross, and after they saw the movie, they knew the Van Helsing name and wanted to play with this.”
— It was in the top-10 play sets on Amazon.com for seven weeks running (starting the week of August 28th).
— Also available is Dracula’s Pigmy Pod with pigmy bat, so kids can add to their collection.

Owl Puke: The Book, by Jane Hammerslough, is a kit that contains everything kids need to learn about the wonderful world of owl puke. Owls eat small rodents and then throw-up the indigestible parts in a fuzzy pellet. With the guidebook in hand, kids can inspect the professionally collected and heat-sterilized pellet for the bones of the animals that the owl has eaten. A plastic sorting tray is also included. It’s a great science experiment and very gross.
— Kathy Uhtoff, co-founder of the Northwest Nature Shop in Ashland, Ore., thought this book was “very creative. It’s educational, fun and disgusting. Kids like it, and even some university professors use it in their classes.”
— Seattle Audubon Society’s Nature Shop’s Chuck Wosselly (a volunteer at the store), said that “kids really go for the owl puke. Well, at least the boys. The girls are a little more squeamish.”

What is a Giant Microbe? These plush dolls look like common microbes — only a million times their actual sizes! From ulcers to Ebola, they’re humorous, educational and quite contagious. Each 5- to 7-inch microbe doll comes with an image and information about the microbe it represents. These germs of endearment are better than a get-well card for a sick friend.
— Dave, founder and head of Sillyasstoys, Richmond, Va., thought the Giant Microbe plush toys are the coolest things around. “They’re one of our biggest sellers.”
— “Kids love them and so do teachers. We sell a lot to schools. They make biology fun and cuddly,” explained Susan Richards, manager for Educational Innovations Inc., Norwalk, Conn.
— Michael Stipe, lead singer of REM, even got some of these at Kawaii Gifts in Pittsburgh, Penn. (of all places).

In this kit, students learn about the mechanics, importance, and make-up of bones and muscles. Kids can study and recreate X-rays, make hinge and ball-and-socket joints, and make a model leg complete with bones and muscle. There are 36 different kits available, including Fossils, Flight, and Planets.

These ceiling stickers light up the bedroom when the lights are turned out.
— The package comes with 40 plastic stars.
— Jordan Walden, store manager at Finnegan’s Toys & Gifts in Portland, Ore., said that glow stars are big. “They were really popular about 10 years ago,” she said. “They faded out, and now it seems like they’re making a comeback.”
— “Our glow in the dark stars sell very well, too,” explained Rhia Abarquez, logistics manager of EpartyUnlimited.

This is a great glow-in-the-dark habitat for glow-in-the-dark bugs, fireflies and other insects as well. It’s even great for taking under the blankets at night to watch your insect friends without a flashlight.
— “Fantastic, very good, inexpensive, anything glow in the dark always sells,” explained Betsy Dees, district manager of Bright Beginnings & Cotton Tots in Texas.
— A patent-pending design keeps the case cricket-proof.
— The Habitat is durable and yet weighs a mere 1.5 pounds.