Pinepro Pine Car Derby Kits, Block | Toys & Games | Building Toys | This package contains ten 7x1-3/4x1" plain pine blocks; forty wheels; forty axles; and instructions | This is a good kit to have around the house for when you start up a derby car project or it is useful for a group event | Adult supervision required | Product Dimension: 7.0"L x 3.5"W x 9.0"H
Weight: 1360.7759999999998 g