Coinstruction Mini Spider for grades Pre-K and up. Piggy banks were never this much fun! Watch your pennies and nickels grow into fun designs (like robots, airplanes, and castles) using CoinStruction's all new colorful connector clips. Easy-to-follow step-by-step illustrated instructions make construction a snap! Just connect 2, 3, or 4 coins together with the color-coded clips and let your imagination run wild! Combine sets for even more building fun. Each set includes: All the color-coded CoinStruction clips needed to build the featured item, Step-by-step illustrated directions, Guidelines for creating your own designs. Educational Insights #4040.