5 results for 'welt-master-3000'
Stylish, multi-purpose, bubble bouncing gloves
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.
Space Age Crystal Growing Kit
Why wait thousands of years, grow your own batch of awesome crystals in hours
Perfume Science Kit
Design your own perfumes and learn how they are meticulously composed.
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!