Unleash your imagination in a thrilling off-road adventure with the Meccano 25-in-1 Mountain Rally! This set has 390 parts and includes a 3-volt electrical motor to bring builds to life! Test your mechanical and engineering skills, building one model at a time before rebuilding another. With 25 models available to build, young inventors can build cars, trucks, desert buggies, quad bikes and more! When they’ve finished building their working, motorised vehicle, they can proudly display their creations or even use them to enhance imaginative play. Put your skills to the test while engaging in educational, stimulating play that challenges young minds and inspires a love for science, technology, engineering, art and mathematics (STEAM) concepts. Includes: 390 Parts, 3-volt Electrical Motor, 2 Real Tools &1 Instruction Sheet Promotes children's STEM (Science, Technology, Engineering, and Math) learning as they build and play Mountain Rally Racer measures 9.75" long x 5.0" wide x 3.5" tall. Ages 9+