170-Piece STEM Building Blocks Set, Educational Construction Toys for Creative Kids Ages 4-9

MORE PIECES: Including 170 PCS 6 colors of building tools: Gray *30, Yellow *30, Blue*30, Red*30, Green*30, and 20 removable wheels, It can be created over 18+ models: such as dinosaur, robot, racing car, buggy, helicopter building blocks
PORTABLE STORAGE & EASY TO CLEAN-UP: Building Blocks for kids ages 4-8 are packed in a sturdy plastic storage box, suitable for traveling and taking out wherever you want go, if some toys are dirty , just rinse the toys under water
LEARN BY PLAYING: This teacher-recommended building educational toys ages 3-5 , bright and colorful skeleton joints and wheels pieces that allow for open-ended creative play, children can get a strong sense of color at an early age
SAFETY MATERIAL: Building Blocks STEM Construction Engineering Kits are made of ABS plastic, colorful, bright, building bricks are certified Phthalate, Lead, Cadmium, and BPA-free, all accessories have no sharp edges, kids play with it with no worries
PERFECT GIFT FOR KIDS: The kids gift toys are perfect for 5-7 year old boys, teen girls, birthday, christmas, this is a great interesting interactive games between family parent-child, kids and friends & classmates, teachers and students