[ Christmas Countdown Calendar ] This 24 days Countdown Christmas advent calendar is divided into 24 doors, children can open the doors and discover the surprises toys inside by date. It will increase kids' holiday anticipation. [ 24 Assorted Insect Building Blocks ] Come with 24 different insect building blocks. Each building toy is individually packaged and includes an instruction. With a variety of colors, including red, gray, yellow, white and green, etc. [ 12 In 1 Building Stem Toys ] 12 building blocks each series can combined into a big scorpion king and queen bee. All building toys are realistic, can help develop children's intelligence, cultivate hands-on ability, and enhance parent-child relationship. Suitable for preschool props and teaching aids. [ Durability & Safety ] All building blocks inside the Christmas advent calendar is made of eco-friendly PVC plastic materials, durable and sturdy, carefully machined and polished, no burrs, no fading, safe for children. Meet UK toys standard. [ Christmas Gifts ] Specially designed Advent Calendar for kids Christmas toys gifts, birthday party favors, giveaways, everyday gifts, school prizes, preschool props, teaching aids, and holiday gift bags.A fun way to enjoy happy parent-child time during holiday.