Suggested Retail: $40. 1PK MIGHT BE OPENED BUT APPEARS TO BE A FULL SET. Robot Building Toys, 8-in-1 Transforming Engineering Building Blocks Construction Vehicles Kit, STEM Learning Building Bricks Set, Birthday Gifts for Kids Boys Girls Age 6-12. Model: PCBB7777BR, Brand: Cshidworld. 8-in-1 CONSTRUCTION BUILDING TOY: This building set features many models that will challenge your kids and will keep them occupied for hours! Unleash the creativity & imagination of your children by introducing them to the world of STEM. Robot Pioneer construction set features 455 PCS which can be assembled into a big robot or 8 models! LEARNING TOYS FOR KIDS: Our educational building kits grow with your child and are designed for your child. Unleash the creativity & imagination of your children by introducing them to the world of STEM. Enhance your kid's hand-eye coordination, spatial thinking ability, critical thinking, problem-solving skills, and cultivate their concentration. Integrates incomprehensible technical & engineering knowledge and concepts into interesting games during the building time. SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.