Thames & Kosmos 643522 Crystal Growing
Original price
$37.76
-
Original price
$37.76
Original price
$37.76
$37.76
-
$37.76
Current price
$37.76
Grow dozens of dazzling crystals and conduct 15 illuminating experiments with this classic science kit. Experiment with four chemically different crystals each with different properties, including potassium alum crystals that form regular octahedrons, rapidly growing...
Read more