6 results for 'welt-master-3000'
Stylish, multi-purpose, bubble bouncing gloves
Space Age Crystal Growing Kit
Why wait thousands of years, grow your own batch of awesome crystals in hours
Expanding Baby Bottle
We’re excited to re-introduce this classic science demonstration made popular by the original Mr. Wizard, Don Herbert, who was a master of creating unforgettable experiences using household items.
Perfume Science Kit
Design your own perfumes and learn how they are meticulously composed.
Detective Fingerprint Kit
Learn how to become a detective by using fingerprints to identify suspects and record important clues at the scene of a crime.
Tie Dye Classroom Kit with DVD
After many years of exhaustive tie dye research, the Steve Spangler Science team unlocked the secrets to making amazing tie dye shirts, inexpensively!