Designed for homeschool families and their kids, the Crystal Epoxy Mold Irregular makes hands-on resin crafting approachable and fun. This silicone mold is ideal for creating irregular-shaped coasters, cup mats, and decorative pieces with epoxy or UV resin. Key Features & Design Material: High-quality silicone that is safe for the environment, non-toxic, and harmless. Color: Color as pictures shown. Flexibility & Ease: Soft, smooth silicone with good toughness; easy to unmold and easy to clean. Sizes: 3 sizes to meet different needs: S: app. 14 x 9.8 cm (5.51 x 3.86 in) M: app. 14.2 x 10.4 cm (5.59 x 4.09 in) L: 20 x 17.5 cm (7.87 x 6.89 in) Usage: Ideal for epoxy resin and UV resin projects, including mug mats, coasters, DIY pendants, and crystal accents. Note: Mold only; other demo accessories in the picture are not included. Care & Precision: Easy to unmold and clean; please allow 0–1 cm error due to manual measurement. Performance & Benefits Educational value for homeschool projects: seamlessly ties into art, science, and math curricula by guiding resin mixing, precise measuring, and curing observations. Hands-on learning: promotes following instructions, planning, and step-by-step execution while building fine motor skills and patience. Creative versatility: produce unique irregular coasters, mug mats, pendants, and decorative pieces that can become classroom displays or thoughtful gifts. Curriculum tie-ins: supports Art & Design, STEM/Science (polymer science and curing processes), and Math (dimensions, area calculations, and scaling). Practical outcomes: helps students visualize geometry and symmetry through irregular shapes while reinforcing problem-solving and project planning.