Thames & Kosmos Crystal Growing Imaginary Play Multiple uses including: swaddling

Multiple uses including: swaddling

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

Each set contains 48 blocks and is packaged in a box with a sliding lid

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

3 levels of difficulty - 2 seconds per light

Thames & Kosmos Crystal Growing Imaginary Play Multiple uses including: swaddlingGrow 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,