b'Add-Ons12 Hole Storage Block: For Scissors Inset Paper Box: 14 x 14 cmA solid beechwood block used for holding 12 pairs ofItem Number: 702300scissors. $27.95Item Number: 771000$29.95Small Blackboard Eraser Rubber Desk Top Pad:Holder For 3 PencilsItem Number: 740500 14 x 14 cm Item Number: 730400$5.95 Item Number: 915700 $4.95$10.95Material First Aid KitsIndispensable kits used for maintaining your Nienhuis Montessori materials. The kits contain many of the most commonly requested spare parts. Includes a plastic box with lid.Material First Aid Kit: SensorialItem Number: 032000$209.95Material First Aid Kit: MathItem Number: 032001$109.95Nienhuis Montessori 131'