Start your engines! The Cars 2-Piece Expansion Set puts Magna-Tiles® in motion with a pair of wheeled, magnetic frames to build on. Equip your cars, trucks, trains, and other vehicles by adding Magna-Tiles® and Magna-Qubix® pieces to the wheeled chassis. Wheeled, magnetic chassis to start building cars, trucks, and trains The frame base measures 3 x 6 inches (the size of 2 small squares) Activates imagination and creativity while also improving dexterity and coordination The perfect gift for the Magna-Tiles enthusiast in your life General features: Safe and durable materials: Made from food-grade ABS plastic that is free of BPA, latex, or phthalates to ensure children's safety without compromising the strength of the magnets! They will withstand years of play, being highly resistant to wear and tear, whether children play indoors or outdoors. Recommended by educators: These magnetic toys are recommended by educators worldwide, thanks to their ability to help understand trigonometric shapes, sciences, mathematics, and foster imagination! Bright, high-clarity colors: The magnetic shapes in this set resemble stained glass and come in a variety of geometric shapes with high scratch resistance. Compatible with all Magna-Tiles: To give your child even greater creative freedom, you can combine it with any other Magna-Tiles set! All magnetic tiles have the same dimensions to be combined with all other sets without limitations!