They look a lot like sushi rice, but don't eat 'em - these are Low Temperature Thermoplastic Beads! Also known as Friendly Plastic, Instamorph,
Hand-Moldable Plastic - Low Temperature Thermoplastic
adafruit-Hand-Moldable Plastic - Low Temperature Thermoplastic
Let Imagination Take the Lead: Whether you are a professional artist or passionate about DIY crafts, the Formitcrafts melting plastic pellets are a must-have for turning your ideas into unique artworks! High-Quality Beads: Our polymorph plastic pellets are of the highest quality to ensure safe and reliable use. These plastic beads are 100% non-toxic, lead-free, and safe to use with temperatures up to 150-degree F.
Thermoplastic Beads 1lb Polymorph Plastic Pellets(Made in Spain) Reusable Mold
All Products – Tagged hand moldable plastic – Thermoworx
Hand-Moldable Plastic - Low Temperature Thermoplastic [100g Bag] : ID 2504 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
DIY Snow Globe Kit [108mm Diameter] : ID 3722 : $4.95 : Adafruit
Thermoplastic Beads
Hand-Moldable Plastic - Low Temperature Thermoplastic - 10…
Thermoplastic Beads – 1lb Polymorph Plastic Pellets
HandiMorph Hand Moldable Plastic - Good for DIY – ToyBuilder Labs
NEW PRODUCT – Hand-Moldable Plastic – Low Temperature