Building Kits

Ho Ho Ho! Do you have what it takes to complete this festive Christmas Present Puzzle by Number Holiday Foil Bag? Start by matching each number wit...

Unlock the creative power of 240 pieces of Plus-Plus with the Glitter Frost Mix tube! Perfect for STEM learning and fun, kids will love the challe...

Ho Ho Ho! Do you have what it takes to complete this festive Candy Cane Puzzle by Number Holiday Foil Bag? Start by matching each number with the c...

From special holiday cheer to sweet STEM skill building, the Plus Plus Holiday Mix tube is a creative gift for kids! Choose from a mix of festive C...

Jump into winter fun with the Winter Mix Plus Plus 70 pc Tube! With just one simple shape you can create endless 3D designs and flat mosaics to sho...