LEGO 42225 Yellow Motorbike. 

Zoom into play with this kids’ motorbike toy for boys and girls aged 7 years and over. Kids can have lots of fun building this LEGO® Technic Yellow Motorbike (42225). Then it’s time for action as they test out the steering and explore the 3-piston engine. This STEM building kit makes a great gift idea for kids who enjoy building and playing with vehicle toys.
LEGO Technic sets feature realistic movements and mechanisms that introduce young LEGO builders to the universe of engineering in an approachable and realistic way. Kids can build with confidence using the LEGO Builder app – zoom, rotate in 3D and track progress with easy-to-follow digital instructions. Set contains 151 pieces.