VTech Go! Go! Smart Wheels Race & Play Adventure Park Parents' Manual page 11

B: Then, screw the Catapult Arm into the back of the Roller
Coaster Structure, as shown in the picture.
C: Next, screw the Catapult Lever and Catapult Track Support
to the Catapult Track, as shown below.
D: Finally, attach the Base Connector to the Catapult Track
and Roller Coaster Structure as pictured. Once the Base
Connector is attached, it cannot be removed.
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