Unfortunately they will NOT hold up to heavy or even moderate use. The technique started breaking almost immediately, and after 2 weeks almost all were broken.
Fun And Educational Kids Cooking Activity Kit - Klutz 10 X 1.19 X 10 Inches
22 Review
Experience The Color-Changing Magic Of The Waboba Lava Ball: The Super High Bouncing Ball Ideal For The Whole Family
22 Review
Green John Deere Sit 'N Scoot Activity Tractor Ride On Toy For Kids 18 Months And Up: Optimized For Search Engines
30 Review
Color Changing Easter Stress Balls For Kids - Durable & Squishy Toy From Bunmo
29 Review