Build a colorful T-rex with this tyrannosaurus rex brick building block set. Comes with easy-to-follow instructions and 73 large plastic interlocking pieces.
Giant 15.5 x 12 x 2.5 inches boxed kit.
$14.99Create unique, brilliantly-colored crystals at home with the 4M Crystal Growing Kit. Combine the white crystal base compound with the precise amount of seeding mixture and watch in real-time as the crystal takes shape. This kit includes enough base compound and seeding mixture to create three crystals in a variety of colors. Detailed instructions provided. Recommended for ages 10 and up.
4M Crystal Mining Kit - great for kids 5+Excavate, dig, study and display your very own natural crystals! Each kit includes a plaster block with eight natural crystals buried inside, digging tool and brush, magnifying glass, display cases with covers, a drawstring carrying pouch and detailed instructions with fun facts.
Turn your kitchen into a science lab with this fun and educational science kit. Create a working volcano, generate electricity with a lemon, launch a vinegar-powered rocket and much more. Introduce your young science enthusiast to basic concepts of electricity, chemical reactions, propulsion, and more. The 4M Kitchen Science Kit includes materials for performing six classic home science experiments. Fun, do-it-yourself, at home learning.