Quick view Compare Choose Options Schylling Crystal Hedgehog growing Kit MSRP: Was: Now: $14.99 Quick view Compare Choose Options
Sale Quick view Compare Add to Cart Schylling Lava Labs Magic Crystal Kit Science Project Kit MSRP: $19.99 Was: $19.99 Now: $18.99 Quick view Compare Add to Cart
Quick view Compare Add to Cart Thames & Kosmos Crystal Growing Spark Experiment Kit MSRP: Was: Now: $9.95 Quick view Compare Add to Cart
Quick view Compare Add to Cart Thames & Kosmos Amazing Minerals Spark Experiment Kit MSRP: Was: Now: $9.95 Quick view Compare Add to Cart
Quick view Compare Add to Cart Thames & Kosmos Molecule Beads Spark Experiment Kit MSRP: Was: Now: $9.95 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Kids First Crystals Rocks & Minerals Experiment Kit MSRP: $44.95 Was: $44.95 Now: $40.45 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Grow A Mystery-Color Crystal Experiment Kit MSRP: $5.95 Was: $5.95 Now: $5.35 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Crystal Growing Glow-in-the-Dark Experiments and Crafts Kit MSRP: $44.95 Was: $44.95 Now: $40.45 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Grow A Blue Crystal Experiment Kit MSRP: $5.95 Was: $5.95 Now: $5.35 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Grow A Pink Crystal Experiment Kit MSRP: $5.95 Was: $5.95 Now: $5.35 Quick view Compare Add to Cart
Sale Quick view Compare Out of stock Thames & Kosmos Color Changing Crystals Ignition Series Experiment Kit MSRP: $14.95 Was: $14.95 Now: $13.45 Quick view Compare Out of stock
Quick view Compare Add to Cart Thames & Kosmos Crystal Geode Spark Experiment Kit MSRP: Was: Now: $9.95 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Grow A Yellow Crystal Experiment Kit MSRP: $5.95 Was: $5.95 Now: $5.35 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Grow A Green Crystal Experiment Kit MSRP: $5.95 Was: $5.95 Now: $5.35 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Crystal Nightlight Science Project Kit MSRP: $19.95 Was: $19.95 Now: $17.95 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Glowing Crystal Geode Science Project Kit MSRP: $19.95 Was: $19.95 Now: $17.95 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Hot Ice Crystals Science Project Kit MSRP: $19.95 Was: $19.95 Now: $17.95 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Crystal Growing Experiments and Crafts Kit MSRP: $29.95 Was: $29.95 Now: $26.95 Quick view Compare Add to Cart
Sale Quick view Compare Add to Cart Thames & Kosmos Nanotechnology Cutting Edge Nanomaterials Experiment Kit MSRP: $99.95 Was: $99.95 Now: $89.95 Quick view Compare Add to Cart