LEGO SONIC'S GREEN HILL ZONE 76994

Entertainment for younger Sonic enthusiasts - Use this LEGO Sonic the Hedgehog to encourage kids to create a course for the hedgehog. For children eight years old and up, Sonic's Green Hill Zone Loop Challenge (76994) is a constructing toy playset.
Course that kids can build: To save the animals from Dr. Eggman, kids can construct the Sonic Adventure toy course and then use the speed sphere to send Sonic through the large ring and loop-de-loop.
Characters from Sonic and Friends along with accessories Sonic, Amy, Becky, Pecky, Chopper, Newtron, Badniks, and a variety of playthings for role-playing are included in the package.

There are two ways to play: when Sonic completes the course, kids can take a break and construct