BMX Bike Mini Ramps and Center TableFor launching BMX Bikes and Radio Controlled Cars using a kicker style ramp. Each component is molded from durable plastic and features a grit coated surface for added traction. For safety and optimal performance, these ramps must be secured in place to prevent slipping during use. (2) Ramps: 18"L x 9-7/8"W x 6-7/8"H -- Table: 14"L x 9-7/8"W -- SK-903-MRK. Interlocking snap-together design. Double Mini Skateboard BMX Ramp and Transition Kit * Mini sized BMX and skateboard double launch ramp kit with center transition table, also fun for remote controlled RC cars * Maximum 250 lb. rider capacity * Fully portable lightweight launch ramp with an interlocking snap-together design * Mounting is required for optimal stability and safety (includes mounting screws) * Durable, molded plastic with a high traction surface