Dig Into Geodes Magnets Ten Frame dominoes include a

Ten Frame dominoes include a 28 piece set on thick plastic dominoes

GraviTrax is the STEM track system from Ravensburger

The patterns change size as the arc of the pendulum changes

compatible and easy to connect for over 60 years

Can be played for up to 4 players

Dig Into Geodes Magnets Ten Frame dominoes include aBe a rock hound! Just like a real explorer, you'll be digging up real geodes. There are 2 geodes inside. Dig out the geodes hidden in the rock. Break it open and discover its inner wonders. Learn about geology through the included adventure guide. A geode is a round rock that contains a hollow cavity lined with crystals. Not all geodes are the same open yours to discover the hidden treasure inside. Kit includes: 1 earthen block 1 wooden hammer 1