Dig It Up! Giant Gem Discovery Books Perfect for organizing group events

Perfect for organizing group events at home

All components of the Marble Run Set M are compatible with common components from other manufacturers and can therefore be creatively combined with your existing building blocks and theme worlds

Brought to life by Chris Riddell’s striking artwork

takes you on an interactive tour of the history and study of psychology through its most prominent tests

whose members include Madame Butterfly

Dig It Up! Giant Gem Discovery Books Perfect for organizing group eventsDelve into mystery of what treasures rest deep inside the earth as you uncover the 12 genuine gemstones inside this giant piece of geode! Uncover stones like jasper, amethyst and tiger's eye, then use the gem identification poster learn more about each one, complete with scientific, historical and mythological facts! Just soak the gem in a bowl or sink, chip away with your chisels, and discover! Giant Gem contains 12 different gemstones to discover