BUILDING KIT FOR 25 MOTORISED MODELS: Create 25 toy cars one at a time, including a sleek supercar. Build 3 models from the instructions or create your own. Bring your build to life with a 6V motor WORKING MOTOR AND LIGHTS: Use the construction set’s motor to adjust speed and LED piping for working head- and rear lights. Build with 2 tools and 347 parts like real metal nuts and bolts, and wheels STEM KIDS TOY: As you have fun building with this Meccano set, you’ll develop an understanding of the principles of STEM, and strengthen hand-eye coordination, problem-solving and fine motor skills PERFECT GIFT FOR KIDS: The Meccano 25-in-1 Supercar Set is for ages 10 and up and requires 4 AAA batteries (not included). Great toys for boys and girls. Additional build instructions at Meccano.com Includes: 347 Parts, 6V Electrical Motor with LED, 2 Real Tools, 1 Instruction Sheet (for 3 Models), Manufacturer: Spin Master