START YOUR ENGINES - The Car Expansion Set 78PCS puts magnetic tiles in motion with a pair of wheeled, magnetic chassis to build upon. Get your cars, trucks, trains and other vehicles into gear by adding magnetic tiles pieces to the wheeled chassis. Anything they can dream, they can create! PRESCHOOL CLASSROOM MUST HAVES - Engage students in learning letters, numbers, colors, matching, pattern recognition, mathematical concepts, basic geometry, and STEAM concepts. Students also learn how to collaborate, solve problems, and strategize using our magnetic tiles and shapes. Magnetic tiles make learning fun! STEM-APPROVED KIDS TOYS - Our STEM toys inspire hours of instruction-free playtime while helping kids develop math, science, spatial, and tactile skills. Ignites imagination and creativity while also improving dexterity and coordination COMPATIBLE WITH OTHER BUILDING TOYS - The magnet toys are compatible with most magnetic tiles, making it easy for kids to expand their world with the shapes already in their collection. The magnetic blocks building toys can fill your existing sets or building blocks of other brands to extend the model's opinion FAMILY FUN & GREAT GIFT - The toy gives kids a sense of achievement and camaraderie. Encourages kids, parents, or family to work together as a team to build creations and learn engineering skills. The kid toy are packaged in a beautifully designed box and come with a storage bag, a right gift for 3+ year old boys & girls. Kids will fall in love with our magnetic building blocks! magnetic tiles blocks toys for 3 year old boys girls