A selection of six salts for student use in observing spectra of some fairly common elements. Included are salts of barium, boron, calcium, lithium, potassium and strontium. Also provided are a test tube and a holder with a length of nichrome wire for introducing the salts directly into the flame. The test tube may be partially filled with water and the outside then dipped in a solution of the salt for introduction into the flame.
Easily assemble a working alarm motion detector!
Build a hand that realistically moves its fingers using shape memory allow technology!
Get this great introductory chemistry kit for your favorite young scientist!
This classic device is used to demonstrate the conservation of mechanical energy.
Make the coolest 3D pin art on your desk with this amazing desk toy.
This magic bird defies gravity before your very eyes!