MindWare Keva Brain Builders Deluxe: STEM Building Toy Includes 75 KEVA Planks, 40 Puzzle Cards, 8 Design Cards, 3D Building Skills for Kids - Ages 7+ Marbles HIGH PERFORMANCE- High strength drop

HIGH PERFORMANCE- High strength drop forge alloy steel and heat treatment provide hardness and torque for high performance

The hip circumference of the colorful mermaid dresses is about 13 cm/ 5

Solid And Durable

Enriched with organic aloe vera

MindWare Keva Brain Builders Deluxe: STEM Building Toy Includes 75 KEVA Planks, 40 Puzzle Cards, 8 Design Cards, 3D Building Skills for Kids - Ages 7+ Marbles HIGH PERFORMANCE- High strength dropToys That Teach: KEVA Brain Builders manipulatives for elementary school and home use are classroom must haves, helping to strengthen STEM, fine motor, strategy, physics and basic engineering skills STEM Building Games: This 3D puzzle set trains your brain to turn 2D diagrams into 3D reality as you stack wooden blocks to recreate the pattern on each puzzle card into a recognizable 3D structure Problem Solving: Manipulate your KEVA planks to duplicate