Ravensburger GraviTrax Element Hammer - Marble Run, STEM and Construction Toys for Kids Age 3 Years Up - Kids Gifts

• GraviTrax Junior is an interactive marble track system for boys and girls from 3 to 7 years; with GraviTrax Junior, children build their own tracks and create themed worlds through creative decorating in a playful way

• The GraviTrax Junior element Hammer gives the ball even more momentum; this means that even more exciting courses can be created - for even more action in the marble run and themed worlds you create yourself

• GraviTrax Junior is a sustainable marble run system; the hammer is made of wood bioplastic like all other components

• The included assembly instructions make it easy to get started, after that there are no limits to creativity; with various expansions, children can enlarge their marble runs and redesign them again and again - long-lasting fun is guaranteed