Grow your own crystals and bring dinosaurs to life with the 4M Crystal Growing Dino Terrarium Activity Set. This STEM-inspired kit combines geology, chemistry, and paleontology concepts to create a captivating dinosaur display. The DIY set includes crystal growing medium, dino figures, a plastic terrarium, and step-by-step instructions for assembling your mini exhibit. Not only does this activity set stimulate your child's mind through hands-on experimentation, but it also promotes motor skills and logical thinking. Watch crystals grow to 5 cm in diameter and 4 cm in height. Package dimensions: 28 x 24 x 8 cm.