Top STEM Soft Building Block Sets for Kids Aged 18 months to 6 years old.Mega Building Blocks for preschool.Large Construction Block Toys for Toddler to Improve Imagination、Creativity、Hands-on Ability

LEGO Despicable Me 4 Minions and Gru's Family Mansion, Minions Toy House and Tree Playset from Movie, Fun Despicable Me Toy, Creative Gift for Boys and Girls Aged 8 and Up, 75583

-18% $81.62

LEGO Creator 3 in 1 Mighty Dinosaur Toy, Transforms from T. rex to Triceratops to Pterodactyl Dinosaur Figures, Great Gift for 7-12 Year Old Boys & Girls, 31058

-20% $9.59

LEGO Roses - Building Toy for Kids, Girls & Boys, Ages 8+ - Artificial, Fake Roses for Home Decor & Display - Gift for Her & Him - 40460

-20% $10.79

Lego Classic Large Creative Brick Box 10698 Building Toy Set, Toy Storage Solution for Home or Classrooms, Interactive Building Toy for Kids, Boys, and Girls (Pack of 2)

-50% $33.12

LEGO Star Wars The Mandalorian’s N-1 Starfighter Microfighter, Building Toy Set for Kids Ages 6 and Up with Mando and Grogu 'Baby Yoda' Minifigures, Fun Gift Idea for Action Play, 75363

-20% $7.35

LEGO Creator 3 in 1 Playful Cat Toy - Building Toy with 3 Building Options, Cat, Dog, or Pigeon - Animal Figures for Kids, Girls and Boys, Ages 8+ - Gift Idea for Birthday - 31163

-0% $24.95

LEGO Star Wars: The Clone Wars Captain Rex Y-Wing Microfighter Building Set, Collectible Star Wars Y-Wing Toy for Kids with Captain Rex Minifigure, Star Wars Gift for Boys & Girls Ages 6 and Up, 75391

-20% $7.99

LEGO Creator 3 in 1 Wild Animals Panda Family - Building Toy with 3 Building Options, Panda, Penguin, or Orca - Animal Figures for Kids, Girls and Boys, Ages 8+ - Gift Idea for Birthdays - 31165

$39.95

LEGO Creator 3 in 1 Typewriter with Flowers - Building Toy with 3 Building Options, Typewriter, Flowerpot with Pen & Notebook, or Keytar - Gift Idea for Birthdays - 31169

$29.95

LEGO Marvel Spider-Man Mech vs. Anti-Venom Building Toy Set - Spider-Man Toy for Kids, Boys and Girls, Ages 6+ - Buildable Action Figure - Superhero Gift for Birthday - 76308

$14.97

LEGO Creator 3 in 1 Wild Animals Surprising Spider Toy - Building Toy with 3 Build Options, Spider, Scorpion, or Snake - Animal Figures for Kids, Boys & Girls, Ages 7+ - Gift Idea for Birthday - 31159

-19% $10.31

LEGO Marvel Iron Man Mech vs. Ultron Building Toy Set - Iron Man Toy for Kids, Boys and Girls, Ages 6+ - Buildable Action Figure - Superhero Gift for Birthday - 76307

$14.97

LEGO Super Mario: Mario Kart Yoshi Bike - Building Toy Set for Kids, Boys and Girls, Ages 7+ - Mario Kart Toy for Fans with Blue Yoshi - Gift Idea for Birthdays - 72031

-20% $11.91

LEGO City Donut Truck Toy - Building Toy for Kids, Boys and Girls, Ages 5+ - Mobile Donut Stand with 2 Minifigures and Other Accessories - Fun Gift Idea for Birthdays and Holidays - 60452

-0% $19.95

LEGO Speed Champions Mercedes-AMG G 63 & Mercedes-AMG SL 63 F1 Toy Car, Formula 1 Vehicle Set for Kids, 2 Building Sets with 2 Driver Minifigures, Convertible Toy Car Gift for Boys and Girls, 76924

-7% $41.55

LEGO Animal Crossing Stargazing with Celeste Building Toy - Animal Crossing Toy Figure and Playset for Kids, Girls & Boys, Ages 6+ - Pretend Play Gift Idea for Birthdays - 77053

-0% $9.97

LEGO Super Mario: Mario Kart Baby Mario vs. Baby Luigi - Collectible Toy Building Set for Kids, Boys and Girls, Ages 8+ - Nintendo Mario Kart Toy for Fans - Gift Idea for Birthdays - 72034

-0% $29.95

MAGNA-TILES Combo 20-Piece Magnetic Construction Set, The Original Magnetic Building Brand

-23% $15.21

LEGO Technic Backhoe Loader Construction Toy - Building Toy Set for Boys and Girls, Ages 7+ - Educational Gift Idea for Kids Birthday with Usable Back Digger, Scoop, & Outriggers - 42197

-19% $7.99

LEGO Harry Potter Hagrid & Harry's Motorcycle Ride Building Toy - Kids Motorcycle Toy for Boys and Girls, Harry Potter Fans, Ages 9+ - Gift Idea for Birthdays - 76443

-0% $49.95

LEGO City Holiday Adventure Camper Van Building Toy Set - Vacation Toy for Kids, Boys and Girls, Ages 6+ - Includes 3 Minifigures and Accessories - Gift Idea for Birthdays and Holidays - 60454

-0% $29.95

LEGO Disney Moana's Island Fun Building Toy Playset - Princess Moana Toy for Kids, Girls and Boys, Ages 5+ - with 2 Disney Micro-Dolls and Pua Animal Figure - Gift Idea for Birthdays - 43260

-0% $19.95

LEGO City Off-Road 4x4 Mountain Truck Toy - Building Toy Set for Kids, Boys and Girls, Ages 6+ - Fun Gift Idea for Birthdays and Holidays - with Adventurer Minifigure and Accessories - 60447

-0% $19.95

LEGO Super Mario Goombas’ Playground, Nintendo Super Mario Collectibles for Kids, Buildable Seesaw, Super Mario Toy Playset, 3 Figures, Gift for Boys, Girls and Any Fan Ages 7 and Up, 71433

-31% $9.59