The Structures Counterweight is utilized in the Motorized Drawbridge kit and the Motorized Crane kit to offset the weight of the mechanism, making them more balanced and requiring less torque to move.
ME-7037 Structures Counterweight
www.pasco.com/products/lab-apparatus/structures/motorized-structures/me-7037
ME-7028 Motorized Drawbridge
www.pasco.com/products/lab-apparatus/structures/motorized-structures/me-7028
ME-7030 Motorized Crane
www.pasco.com/products/lab-apparatus/structures/motorized-structures/me-7030
