JOYIN 148 Pcs STEM Building Block Toys, Take-a-Part Play-Set, Educational Construction Engineering Toy Set Up-to 5…

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Develop Kids Creativity with 148 Pieces STEM Building Toy Set up to 5 Models: Helicopter, Van, Bulldozer, Racing Car, and Motorboat.
Build & Play. Ideal Gift Set for kid to develop their critical thinking, hand-eye coordination at an early age. Better education while playing with their highest interest.
Easy storage. Storage box included, storage never get such easy. Your Children could take the whole box to play with their friends and build their team work ability.
Valuable Set. 148 construction pieces in a transparent storage box, assembly instructions for 5 models are included. Only one model may be built at a time.
MONEY BACK GUARANTEE- “Contact Seller” and we will refund you or ship you a replacement if the one you received fail to work in 90 days.