Thames & Kosmos Crystal Growing Imaginary Play screwdriver

screwdriver

compatible and fun to build with – it’s been that way since 1958

Perfect first dolls for nurturing and cuddling and for developing social and emotional skills

Characters from the movie – Zurg Battle (76831) comes with 2 minifigures

Thames & Kosmos Crystal Growing Imaginary Play screwdriverGrow 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 sodium sulfate crystals, long needle shaped sodium acetate crystals, and plaster which is made from gypsum crystals. Mold fun plaster shapes, including stars, lightning bolts, dolphins,