«Be a real scientist, and learn about science by putting into action! Step by step, you’ll find out exactly what to do, what happens, and why!» Recomendado a partir de 10 años.
«Learn crystal chemistry. Make a magical narwhal! CONTAINS: 20-page book of instructions and inspiration; Crystal powder; 2 pipe cleaners in 2 colors; Narwhal figurine; Paper craft.» AGES 8 & UP