Clementoni Flummis

Craft Colorful Bouncy Balls at Home

Mix, mold, bounce—Clementoni Flummis turns a rainy afternoon into hands-on fun. Kids blend the vibrant powder with water, snap the mold shut, and watch their very own ball set in minutes. A playful way to sneak science into playtime.

Why you’ll love it

• Hands-on science: Kids see polymers form right before their eyes.
• Custom colors: Layer the powders for one-of-a-kind patterns.
• Quick results: Balls are ready to bounce in just a few minutes.
• Active play: Finished balls invite movement, coordination, and outdoor fun.
• Tidy kit: All molds and powders store neatly back in the box.

Powder-to-bounce science kit that lets kids make real balls in minutes

Safety-tested materials mix with plain water—no heat, glue, or batteries required—making the kit suitable for curious creators aged 8–12. The compact molds mean less mess on the table and easy rinsing afterward.

Clementoni, the Italian brand known for blending learning with play, packs clear instructions and pre-measured powder sachets so parents can relax while kids experiment. We chose this set for its mix of creativity, STEM value, and pure jump-around excitement.

Give it a go and let your young scientists bounce their own creations down the hallway.