STEAM Crystal Science Healthy Living Books Lock and unlock the doors

Lock and unlock the doors with colour-coded keys

Package Dimensions: Approx 11 x 10 x 7 cms

33 Inches (W) x 5

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and display stands for all the aircraft

STEAM Crystal Science Healthy Living Books Lock and unlock the doorsCreate your own stunning crystal collection! Follow simple steps to grow over 10 crystals including a glow in the dark crystal and 2 geode pairs. Age: 10 years and up Approx package dimensions: 39 x 30 x 8 cms Learn chemistry with a hands on crystal growing experiment. Follow simple steps to grow crystals in your choice of colours and sizes. Design and make your own stunning crystal collection. All components and instructions included to make 10