Rani Prize 4-in-1 Mechanical Master Building Toy Set, 603 Pieces. This STEM-focused kit allows you to build four different construction vehicle models, including an excavator and loader.

Features 603 high-quality interlocking pieces with functional mechanical parts like a DIY transmission. The set comes in a durable, hard-plastic storage carrying case for easy organization.

Brand new condition, factory sealed with original plastic zip-tie and internal bags intact. Ideal for ages 6 and up to develop fine motor skills and engineering interest.