Elevator Marble Run Toy Set (236 pcs)Build the perfect marble drop! This building block kit contains a whopping 236 vibrant and colorful building blocks and tiles. Pieces intuitively connect together to improve hand eye coordination, motor skill training, and children's brain development. This kit includes everything as shown on the packaging interlocking colorful blocks, a variety of pipes, a chain elevator, and an instruction manual. Endless fun!! Requires 2 AA Batteries, NOT INCLUDED.