SIENIANLINE Interlocking Learning Set, STEM Construction Toy Set – Ages 3+ STEM Toys 300 Pcs – 10 Colors
★ Includes: 300 Pcs Colorful Interlocking Building Set - Includes 10 different colors (Pink, purple, blue, white, green, yellow and more).
★ SIENIANLINE will help usher your child into the world of engineering games in style as they come up with endless building possibilities.
★ STEM Activities: Improves memory, concentration, manual dexterity, hand-eye coordination, color recognition, sorting, increases attention and focus. Parts are all interchangeable, allowing for endless combinations and designs.