24Pcs Stem Christmas Advent Calendar 2025 Diy STEM Countdown Advent Calendar Educational Science Kit Building Toys Surprise for Kids Boys Girls

christmas advent calendar，Children can work together with their friends or families, and learn while playing. Exercising children's hands-on and problem-solving skills, improving logical thinking and self-confidence, and also developing children's teamwork skills.

• 24 IN 1 STEM SETS: 24 sets (24 bags) of independent scientific assembly projects, including solar powered cabins, solar powered helicopters, cable cars, steamships, hand cranked generators, colorful fiber optic lights, balance robots, electric gliders, solar powered double rings, wonderful windows, electric four-wheel drive vehicles, and more interesting projects waiting for you to explore
• STEM LEARNING AND EDUCATION:The STEM DIY experiments involve science, technology, engineering, art and math. It can be used as an auxiliary teaching tool to develop children's intelligence, cultivate their practical ability and enhance parent-child relationship. Favorable for developing children's creativity and logical thinking ability, and improving children's hand-eye coordination
• EASY TO ASSEMBLE: Pop out the puzzle pieces on the board and assemble them by referring to the instructions (each item comes with individual instructions that won't spoil the mystery) and fasten them with screws, thus completing your own miniature model building toys! All the items in the Educational Science Kit are clearly marked and labeled, making them the perfect rewards for children ages 3 and up
• HIGH QUALITY MATERIALS:Christmas advent calendar is made of plastic and composite wood boards, easy to assemble. Smooth surface and rounded corners design make your kids safer when assembling these 3D wooden puzzle toys. This DIY wooden construction toys can also be colored to create unique crafts and Can be used as decoration in the house or as a gift for friends
• EXQUISITE CHRISTMAS COUNTDOWN : The exquisite Christmas countdown calendar box contains 24 bags of scientific projects, the bags are labeled with dates from 1-24 days, let kids open them by serial number and enjoy the challenge to create an unforgettable Christmas countdown experience! This 2024 Christmas Advent Calendar is an ideal Christmas present for boys, girls, children, adults and more