Engines ready! Drivers ready! Pull back, release and GO, GO, GO! Dragster racing has to be the ultimate speed challenge, so put your building skills to the test and create this awesome LEGO® Technic Dragster car. Just pull back and release to see it speed along. Then lock in the wheelie bar to perform heart-pumping wheelies. Want more action? Rebuild the Dragster into a super-fun pull-back Hot Rod. It's always race day with this 2-in-1 Dragster that rebuilds into a cool Hot Rod. This pull-back toy car is really easy for kids to power, see how fast it speeds along! Kids can learn how a dragster works. Then lock in the wheelie bar to perform heart-pumping wheelies or keep on the ground to attempt the speed record. Use the toy traffic light accessory to get play started. Pull back and release. It really is that simple! Even young racers will be able to recreate the thrill and speed of race day. Ready for a new challenge? Kids can rebuild their Dragster into a pull-back LEGO® Hot Rod. Looking for fun toys for kids aged 7 and up? This LEGO® Technic (42103) set makes a great gift idea for LEGO fans, race car toy lovers or anyone who loves a building challenge. When built, the LEGO® Dragster measures over 32cm long, 12cm high and 10cm wide, making this building toy just the right size for race-day role-play. It's got speed but amazingly, this set doesn't need batteries. Everything is powered purely through the pull-back motor, so play can start right away. Every LEGO® set comes with printed instructions. And this set also comes with digital Instructions PLUS, available in the free LEGO Life app for smartphones and tablets. LEGO® Technic sets feature realistic movement and mechanisms, introducing young LEGO builders to the universe of engineering in an approachable and realistic way. Designed to the highest industry standards, LEGO® Technic plastic model kits are consistent; connecting easily every time. LEGO® Technic pieces are thoroughly tested to make sure every building set meets the highest global safety and quality standards.