This Plus-Plus robot building set includes 275 colorful pieces and assorted accessories to design tall, round, or multi-eyed robots limited only by imagination. This set includes a step-by-step guidebook with clear instructions and inspiring model ideas to help beginners learn building techniques. This open-ended construction toy boosts fine motor skills, spatial reasoning and creativity through hands-on play with wheels and connectors. This product is free from endocrine-disrupting substances and delivers safe, high-quality fun that appeals to both children and parents.