This offer is still available.
Amazon.com has BUREI 3D Puzzle Jigsaw Educational toys DIY on sale $6.99.Shipping is free with Prime or if you spend $49 or more
code: 4IEO9MIP
3D Puzzles
BUREI 3D Puzzle Jigsaw Educational toys DIY for kids Hotel 73-piece
https://www.amazon.com/Puzzle-Jig…B01N2XM6Q
BUREI 3D Puzzle Handmade Assemble toys for kids Hotel Flower Shop
https://www.amazon.com/Puzzle-Han…B01MQZQIE
BUREI 3D Puzzle Jigsaw Educational toys DIY for kids Ice Cream Maker
https://www.amazon.com/Puzzle-Jig…B01MQYKIK
BUREI 3D Puzzle Handmade Assemble toys for kids Animal Tree House
https://www.amazon.com/Puzzle-Han…B01N4HPOJ