Science Fairs In A Box

Item Number : 42429P1

$2.95 EACH

In Stock

Item Number : 42430P1

32% OFF
$2.00 EACH $2.95

In Stock

From Steve Spengler Science it's the Be Amazing Superabsorbent Crystals™, which soak up 300- times their weight. You get a one-ounce bag of cross-linked polyacrylamide copolymer nuggets. Say that five times fast.